Question

Evaluate the expression when y=-6.
y^2 + 8y +4

Answer 1

-8

Explanation:

`{y}^(2) + 8y + 4`

Substitute -6 for y in the given equation

`{( - 6)}^(2) + 8( - 6) + 4`

Simplify

`36 - 48 + 4 \\ = - 8`

Answer 2

Explanation:

`\blue\star`Given

• y =6

`\blue\star`put the value of y in the given equation

`{y}^(2) + 8y + 4 \\ \ {-6 }^(2) + 8(-6) + 4 \\ 36 - 48 + 4 \\ = -8`

By solving the equation we get our answer -8

Hope it helps