SOLUTION: The equation of a curve is y= √(5x+4) i. Calculate the gradient of the curve at the point where x = 1

Algebra ->  Linear-equations -> SOLUTION: The equation of a curve is y= √(5x+4) i. Calculate the gradient of the curve at the point where x = 1       Log On


   

Question 1163986: The equation of a curve is y= √(5x+4)
i. Calculate the gradient of the curve at the point where x = 1
Found 2 solutions by solver91311, ikleyn:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!






You can do your own arithmetic


John

My calculator said it, I believe it, that settles it

Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

The correct solution and the correct answer is 

    %28dy%29%2F%28dx%29 = 5%2F%282%2Asqrt%285x%2B4%29%29.


Gradient at  x = 1  is   5%2F%282%2Asqrt%285%2A1%2B4%29%29 = 5%2F%282%2Asqrt%289%29%29 = 5%2F%282%2A3%29 = 5%2F6.