The equation y=2(x-1)^2-5y=2(x−1) 2
−5y, equals, 2, left parenthesis, x, minus, 1, right parenthesis, squared, minus, 5 is graphed in the xyxyx, y-plane. Which of the following statements about the graph is true?

(b) It is symmetrical about

Step-by-step explanation:

Given

See attachment for options

Required

True statement about the graph

First, we check the line of symmetric

Expand

Open bracket

A quadratic equation has the following line of symmetry

By comparison, the equation becomes:

Hence, the line of symmetry is at:

(b) is true.

step-by-step explanation:

it's is b

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680