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If x/y = 87 and cx/3y = 87, what is the value of c? Step 1. Given cx over 3y = 87, it can be written as c over 3 times x over 7 Step 2. Given x over y = 87, substitute into above equation. Step 3. c over 3 * 87 = 87 Step 4. Divide 87 for both side, we get c over 3 =1 Step 5. c=3 #satmathprep #satprep

if x+y=8 and xy=15 calculate 1/x + 1/y = ? x+y=8 xy=15 1/x + 1/y = ? -- #maths #mathematics #math #algebra #quickmath #equation #equations #quadraticequation -- 90% of people get this SAT question wrong 👀 This SAT question tricks 90% of students or I just lie and you can't prove it comment "BlueGuy" if you see this

Find the x and y intercepts for the equation using a graphing calculator. #maths #math #mathematics #lecture #tutorial #algebra #precalculus #xintercepts #yintercept #graphingcalculator

if x+y=10 and xy=30 calculate 1/x + 1/y = ? x+y=10 xy=30 1/x + 1/y = ? -- #maths #mathematics #math #algebra #quickmath #equation #equations #quadraticequation -- 90% of people get this SAT question wrong 👀 This SAT question tricks 90% of students or I just lie and you can't prove it comment "BlueGuy" if you see this.

#x27;What is the equation of y in terms of x if the curve passes through (1,1) if equation 1 is dy = xldx Choose the correct answer below. Show solution: t2 3y + 3 = 0 t3 3y + 2 = 0 t3 + 3y3 + 2 = 0 2y + x3 +2 =0 #x27; Watch the full video at: https://www.numerade.com/ask/question/what-is-the-equation-of-y-in-terms-of-x-if-the-curve-passes ...

In school you were taught that 1/x+y is not the same as 1/x + 1/y, but for which x and y is it actually true? Watch this video and find out! Subscribe to my channel: https://youtube.com/drpeyam Check out my TikTok channel: https://www.tiktok.com/@drpeyam Follow me on Instagram: https://www.instagram.com/peyamstagram/ Follow me on Twitter: https ...

To find the equation of a straight line from a graph, you first need to find the gradient and then secondly find the y-intercept. The equation of a straight line is y=mx+c, where m is the gradient and c is the y-intercept. To find the gradient, you use rise / run or change in y / change in x. To find the y-intercept, you can either read the ...

This algebra 2 and precalculus video tutorial explains how to find the inverse of a function using a very simple process. First, replace f(x) with y. Next, switch x with y. Finally, solve for the y variable and that's it. This video contains examples and practice problems that include fractions, radicals, square roots, cube roots, linear ...

This math video tutorial explains how to find the x and y intercepts of a line from a graph and from an equation in slope intercept form and in standard form. This video discusses the process of graphing linear equations using x and y intercepts. It contains plenty of examples and practice problems. It's useful for students taking algebra ...

👉 Learn how to graph linear equations written in standard form. When given a linear equation in standard form, to graph the equation, we first rewrite the linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is the slope and c is the y-intercept). Next we plot the y-intercept and using the slope, we can determine ...

If you have a parametric equation grapher, graph the equatioos over the given intervals in Exercises 41-48. a. x=6 cost+5 cos3 t, y=6 sint-5 sin3 t 0 ≤t ≤2 πb. x=6 cos2 t+5 cos6 t, y=6 sin2 t-5 sin6 t 0 ≤t ≤πc. x=6 cost+5 cos3 t, y=6 sin2 t-5 sin3 t 0 ≤t ≤2 πd. x=6 cos2 t+5 cos6 t, y=6 sin4 t-5 sin6 t 0 ≤t ≤π Watch the full ...

Interval of Definition. By looking at an initial value problem d y / d x=f(x, y) with y(x_0)=y_0 , it is not always possible to determine the domain of the solution y(x) or the interval over which the function y(x) satisfies the differential equation. (a) Solve the equation d y / d x=x y^3 . (b) Give explicitly the solutions to the initial ...

This calculus video tutorial explains how to find the surface area of revolution by integration. It provides plenty of examples and practice problems finding the surface area generated by a region or curve when rotating about the x axis or y terms. This video provides the two integral formulas that you need and how describes how to find the ...

Use specific values for x and y to show that in general, 1/x + 1/y is not equivalent to 1/x + y. Watch the full video at: https://www.numerade.com/ask/question/use-specific-values-for-x-and-y-to-show-that-in-general-1x-1y-is-not-equivalent-to-1x-y-36797/?utm_medium=social&utm_source=youtube&utm_campaign=low_count_category Never get lost on ...

Learn how to solve for X. Step-by-step tutorial by PreMath.com Today I will teach you tips and tricks to solve the given math question in a simple and easy way. Learn how to solve math puzzles fast! Fast and easy explanation by PreMath.com https://youtu.be/Hx_DTVByEN0 Need help with solving this Math Olympiad Question? You're in the right place ...

👉 Learn how to solve literal equations. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the formula. To do this, we use the simple algebraic process of undoing all the algebraic operations related to the variable we want to ...

This calculus video tutorial explains how to find the integral of 1/(1+x^2) using trigonometric substitution. Calculus 1 Final Exam Review: https://www.youtube.com/watch?v=WmBzmHru78w Integration - Formula Sheet: https://www.video-tutor.net/calculus-formula-sheets.html Full-Length Exam Videos: https://bit.ly/41WNmI9 Calculus Video Playlists ...

We will find all the cube roots of 1, namely all the cube roots of unity. The first method is to solve the cubic equation x^3=1 by factoring and the quadratic formula. The second method is to use imaginary numbers and rotation. 0:00 the algebra way 3:31 the complex way Subscribe for more math for fun videos 👉 https://bit.ly/3o2fMNo

We will solve one of the most interesting and classic exponential equations x^y=y^x We will use a parametrization to find all the solutions to x^y=y^x Here's how to solve x^2=2^x (ft. Lambert W function) 👉 https://youtu.be/ndA0sF_0Rwk Subscribe for more math for fun videos 👉 @blackpenredpen For more calculus tutorials, check out my new ...

👉 Learn how to solve literal equations. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the formula. To do this, we use the simple algebraic process of undoing all the algebraic operations related to the variable we want to ...

We will show that the derivative of ln(x), namely the natural logarithmic function, is 1/x. We will use the definition of the derivative and also implicit differentiation. Subscribe to @bprpcalculusbasics for new calculus tutorials

Example of how to graph the inverse function y = 1/x by selecting x values and finding corresponding y values.

Using the squeeze theorem to prove that the limit as x approaches 0 of (sin x)/x =1 Watch the next lesson: https://www.khanacademy.org/math/differential-calculus/limits_topic/epsilon_delta/v/limit-intuition-review?utm_source=YT&utm_medium=Desc&utm_campaign=DifferentialCalculus Missed the previous lesson? https://www.khanacademy.org/math ...

This calculus 1 video tutorial provides a basic introduction into derivatives. Direct Link to Full Video: https://bit.ly/3TQg9Xz Full 1 Hour 35 Minute Video: https://www.patreon.com/MathScienceTutor Derivatives - Free Formula Sheet: https://www.video-tutor.net/calculus-formula-sheets.html ___________________________________ Full 1 Hour 35 ...

View full question and answer details: https://www.wyzant.com/resources/answers/952863/find-equation-of-tangent-line-of-the-function-f-x-x-7-x-1-at-3-1?utm_source=youtube&utm_medium=organic&utm_campaign=aae_video Question: Find equation of tangent line of the function f(x)= (x-7)/(x-1) at (3,-1) Find the equation of the tangent line of the ...

👉 Learn how to graph linear equations written in standard form. When given a linear equation in standard form, to graph the equation, we first rewrite the linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is the slope and c is the y-intercept). Next we plot the y-intercept and using the slope, we can determine ...

👉 Learn how to reflect points and a figure over a line of symmetry. Sometimes the line of symmetry will be a random line or it can be represented by the x or y-axis. Either way when reflecting a point and or figure over the line of symmetry it is important to think of flipping the figure over the line of symmetry to the other side. The new ...

This calculus video tutorial explains how to find the indefinite integral of 1/x^2 using the power rule of integration. Antiderivatives: https://www.youtube.com/watch?v=xaCPDMEkbig Basic Integration Problems: https://www.youtube.com/watch?v=zOxaUlRkFG0 Indefinite Integral: https://www.youtube.com/watch?v=JTFMeSCxgcA Definite Integral: https ...

This calculus video tutorial explains how to calculate the average value of a function over an interval and how to find the value of c that makes the function f(x) equal to the average value of the function where the area of the rectangle is equal to the area under the curve on the interval [a,b]. Applications of Integration - Free Formula ...

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/ap-calculus-ab/ab-limits-new/ab-1-8/v/1-cosx-over-x-as-x-approaches-0 Showing that the limit of (1-cos(x))/x as x approaches 0 is equal to 0. This will be useful for proving the derivative of sin(x). Watch the next ...

On this lesson, you will learn how to perform reflections over the x-axis and reflections over the y-axis (also known as across the x-axis and across the y-axis) and reflections over the line y=x. For more MashUp Math content, visit http://www.mashupmath.com and join our free mailing list! :) Download the free PDF lesson guide here: https ...

Verify that the given function is a solution to the given differential equation (c_1 and c_2. are arbitrary constants), and state the maximum interval over which the solution is valid. y(x)=c_1 x^1 / 2, y^'=y/2 x. Watch the full video at: https://www.numerade.com/ask/question/verify-that-the-given-function-is-a-solution-to-the-given ...

In this video where we're going to graph of the equation y=1/x. We'll start with the completed graph on-screen and we're going to work backwards. That means the graph for y = 1/x has already been completed and we're going to try and understand how it was constructed. Let's start with the equation y=1/x. One thing to note about this equation is ...

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:forms-of-linear-equations/x2f8bb11595b61c86:intro-to-slope-intercept-form/v/slope-intercept-form Slope-intercept form Practice this lesson yourself on KhanAcademy.org right now: https://www ...

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/ap-calculus-ab/ab-integration-new/ab-6-8b/v/antiderivative-of-x-1 In differential _calculus we learned that the derivative of ln(x) is 1/x. Integration goes the other way: the integral (or antiderivative) of 1/x ...

This precalculus video tutorial explains how to calculate the average rate of change of a function over an interval. This video contains plenty of examples and practice problems. Functions - Free Formula Sheet: https://www.video-tutor.net/precalculus-formula-sheets.html Functions - Video Lessons: https://www.video-tutor.net/functions.html Final ...

This calculus video tutorial explains how to find the integral of 1/sqrt(1-x^2) using integration by trigonometric substitution and pythagorean identities. Calculus 1 Final Exam Review: https://www.youtube.com/watch?v=WmBzmHru78w Integration - Formula Sheet: https://www.video-tutor.net/calculus-formula-sheets.html Full-Length Exam Videos: https ...

Please Subscribe here, thank you!!! https://goo.gl/JQ8Nys Variation of Parameters Solving y'' + y = sec(x)

10.8 Algebra 1 Basics - One Graph. Infinite Questions. Welcome to 1/x 📈👀 Ready to master one of the most mind-blowing graphs in Algebra? From domain restrictions to asymptotes, this one's got it all - rational functions. ️ Comment “♾️” if you’ve seen this curve before! 🔁 Save & share with a friend studying rational ...

This math video tutorial explains how to solve exponential equations with powers of x. Exponents - Free Formula Sheet: https://bit.ly/4ehTaPN _________________________________ Logarithms - The Easy Way! https://www.youtube.com/watch?v=kqVpPSzkTYA Log to Exponential Form: https://www.youtube.com/watch?v=f0C1KL7GkqY Change of Base Formula: https ...

What's the number e and why is the derivative of e^x = e^x? Take a course from Brilliant to learn more about calculus 👉 https://brilliant.org/blackpenredpen/ (20% off with this link) In this video, we will learn the derivatives of exponential functions and we will see how we can define the number e. Calculus 1, AP calculus, calculus A-level ...

This video shows how to graph a linear equation using the x-intercept and the y-intercept. This video also shows how solve an equation to find the x and y intercepts. Download over 1,000 math resources at my website, https://maisonetmath.com/ including transformations resources. Visit my Teachers Pay Teachers store at https://www ...

Thanks to all of you who support me on Patreon. You da real mvps! $1 per month helps!! :) https://www.patreon.com/patrickjmt !! Evaluating Algebraic Expressions for Given Values of X and Y. Here we evaluate two basic algebraic expressions for given values of x and y.

Graph the line y=x using the slope and y-intercept. https://www.openalgebra.com/ How to graph a more complicated example on YouTube: https://youtu.be/EQmkiFIW0l0 Free graphing notes: https://www.openalgebra.com/2012/11/graph-using-y-intercept-and-slope.html Free notes on https://www.openalgebra.com/ Chapter 3 - Graphing Lines 3.1 Rectangular ...

Estimate the following solutions using Euler #x27;s method with n=5 steps over the interval t=[0,1] . If you are able to solve the initial-value problem exactly, compare your solution with the exact solution. If you are unable to solve the initial-value problem, the exact solution will be provided for you to compare with Euler’s method. How ...

This precalculus video tutorial provides a basic introduction into transformations of functions. It explains how to identify the parent functions as well as vertical shifts, horizontal shifts, vertical stretching and shrinking, horizontal stretches and compressions, reflection about the x-axis, reflection about the y-axis, reflections about the ...

Learn how to graph the linear equation of a straight line y = x using table method.

Have you ever been told that "x to the negative power" means "one over x"? If so, it probably wasn't explained why! In this video, we show exactly why "x to the negative one power" means "one over x". It's easy! In this video we look at negative exponents in math and explain exactly what they mean. If you've ever want negative exponents ...

591 likes, 24 comments - euro.connex on April 26, 2025: "Recently traded the @eisenmannexhaust Sport for a Race variant. It needs little introduction - but it was long overdue. It truly unleashes the V10 “Lambo” experience. It’s loud, and it does drone at 3,000 RPM. It sounds even louder due to the 25% power increase over stock, and the ...

Integral of 1/x² Using the integration formula the same rules apply, treat n as -2