Question

Determine the value of y, if x is-9.

Answer 1

82=y

Explanation:

-9 x -9 = 81

81 + 1 = 82

Answer 2

`y=82`

Explanation:

We know the value of x is -9 so we can plug it in as -9.

`y=x^2+1\\y=(-9)^2+1\\y=81+1\\y=82`