(b) Write down the coordinates of the turning point of y = x^2 - 2x - 4

Question

asked May 11, 2022 49.4k views

1 Answer

Pfunc · Answer 1 · 2022-05-15T22:00:45+0000

Answer:
(1,-5)

Explanation:

Given

Curve is

y=x^2-2x-4

At the turning point of the curve, the slope will be zero.

Differentiate the curve

$\Rightarrow y'=2x-2$

Substitute 0 for

$\Rightarrow 2x-2=0\\\Rightarrow x=1$

$\therefore y=1^2-2* 1-4=-5$

(1,-5) is the turning point