Find the gradient of the tangent to the curve 2x2 – 3x - 1
at(1,-2)
Answers
Answered by
1
Answer:
y = 4x-5
y = 2x² - 3x - 1
differentiate with respect to 'x',
dy/dx = 4x-3
at x = 0,
m = dy/dx = 3
The tangent has the form,
y = mx+c
at (1,-2),
-2 = 3(1)+c
c = -5
Gradient of the tangent,
y = 4x-5
Similar questions
India Languages,
1 month ago
Math,
3 months ago
Chemistry,
3 months ago
India Languages,
10 months ago
Math,
10 months ago
Accountancy,
10 months ago