Basic Calculus For Beginners

Calculus Level 2

A line has the equation y = x 2 y=x^2 . Find the gradient of this line at x = − 4 x=-4 .


The answer is -8.

A Former Brilliant Member by A Former Brilliant Member

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3 solutions

Jun Arro Estrella
Oct 15, 2015

That moment that you finally knew that the slope is the same as the gradient.. THUGLIFE

2 Helpful 0 Interesting 0 Brilliant 0 Confused
Akagami Ng
Feb 21, 2015

1 Helpful 0 Interesting 0 Brilliant 0 Confused

Differentiate to get dy/dx=2x. Plug in x=-4 to get -4*2=-8.

0 Helpful 0 Interesting 0 Brilliant 1 Confused

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