Question

find the polynomial of 2 y square - 3 Y - 4 at (1)Y is equal to 5 and (2) Y is equal to minus 2​

Answer 1

Answer:

31 ; 10

Step-by-step explanation:

1) y=5

2y²-3y-4

=2(5)²-3(5)-4

= 2(25)-15-4

=50-15-4

= 31

2) y = -2

2y²-3y-4

2(-2)²-3(-2)-4

= 2(4)+6-4

= 8+2

= 10