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How should I go about solving a quadratic equation?

There are more ways how to solve such equation:You can use the quadratic formula after rearranging the equation into the standard form. That is the safest way because you just learn the formula and use it ov...
LM
Answered by Linda M. • Maths tutor
3386 Views

How do I find and determine the nature of stationary points of a function?

There are 3 types of stationary points for functions: a maxima, a minima and a saddle point. They all occur when the derivative of a function, f(x), is equal to 0, e.g. f'(x)=0. Therefore in order to find th...
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Answered by Ben D. • Maths tutor
12026 Views

Use the Chain Rule to differentiate the following equation: y=e^(3-2x)

Chain Rule: dy/dx = dy/du x du/dxy=e 3-2x Substitute u for the power (3-2x) y = e u u = 3-2xdy/du = e u du/dx = -2dy/dx = -2e u = -2e 3-2x
JW
Answered by Jordan W. • Maths tutor
4155 Views

Find the max/min value of the function: f(x) = 5x^2 - 20x + 15

A quadratic function will either have a minimum or a maximum value depending on the shape of the function. A quadratic function with a positive value in front of the x^2 term has a U shape and therefore has ...
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Answered by Peter H. • Maths tutor
5751 Views

How do you integrate the equation x^2 + 4x + 3 dx? (

Integrating the equations: x 2 + 4x + 3 dx. To integrate, the method is to look each parts of the equation, e.g. the x 2 firstly. We would add 1 to the power to get x 3 . Then we would divide this by our new...
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Answered by Saba N. • Maths tutor
8179 Views