Question

7.
Find the value of the polynomial 3y²-2y +8 at y = - 2.​

Answer 1

Answer:

3 (-2)^2 -2 (-2) +8

12 +4 +8

24

Answer 2

Answer:

$24$

Step-by-step explanation:

$3 {y}^{2} - 2y + 8$

at y = -2

$3 {( - 2)}^{2} - 2( - 2) + 8$

$3(4) - ( - 4) + 8$

$12 + 4 + 8$

$24$