Find the tangent to the curve y = x^2 + 3x + 2 that passes through the point (-1,0), sketch the curve and the tangent.

Differentiate to find dy/dx = 3x + 2;at point (-1,0) dy/dx = -1substitute in to y = mx + c, noting m = -1 and the line passes through (-1,0) yields c = -1y = -x - 1, simple to sketch this line.curve sketching, note we already have a zero crossing from the point in the question, find the other zero crossing as (-2,0), sketch a typical x^2 curve passing through the zero crossings and the y intercept at (0,2).

PW

Related Maths A Level answers

All answers ▸

Solve the equation x^6 + 26x^3 − 27 = 0


Two fair six sided dice, called A and B, are rolled and the results are added together. The sum of the dice is 8, what is the probability that two fours were rolled?


Differentiate sin(5x) and 3cos(x) and 3tan(5x)


The line AB has equation 5x+3y+3=0. It is parallel to a line with equation y=mx+7. What is m?