Posted by **Christine** on Friday, April 1, 2011 at 7:02pm.

find an equation of the tangent line to the parabola at the given point..show work

y=(-2)x^2

(-1,-2)

- precalc -
**bobpursley**, Friday, April 1, 2011 at 7:22pm
I assume you know enought calc to take the derivative.

y'=slope=-4x=4

y=4x+b

solve for b a the point, and you have the line

- precalc -
**Christine**, Saturday, April 2, 2011 at 11:33am
dont know how to find the derivitive

## Answer this Question

## Related Questions

- Math - If f(x)=3x^2-5x, find the f'(2) & use it to find an equation of tangent ...
- Calc. - Find the area of the region bounded by the parabola y=x^2, the tangent ...
- Pre-Calculus - Im having trouble with this. Find an equation of the tangent line...
- Pre-Cal - Find an equation of the tangent line to the parabola at the given ...
- maths - find the gradient of the tangent to the parabola y=4x-x^2 at (0,0) hence...
- calculus - The line x=c where c>0 intersects the cubic y=2x^(3)+3x^(2)-9 at ...
- math - The line x=c where c>0 intersects the cubic y=2x^(3)+3x^(2)-9 at point...
- Math (Pre Cal) - Hi, I am studying for a precalculus quiz and I do not ...
- Calculus - Sketch a graph of the parabola y=x^2+3. On the same graph, plot the ...
- precalculus - Find (a) the equation of a line that is parallel to the given ...