Question

evaluate the following expression if A) y=-3 B) y=2
$12 {y}^{2} - 13y + 3$

Answer 1

to solve we can just enter in the values for y so
$12 ({ - 3}^{2} ) - 13( - 3) + 3 = 12(9) + 39 + 3 = 150$
same for 2
$12( {2}^{2} ) - 13(2) + 3 \\ = 12(4) - 26 + 3 \\ = 48 - 29 + 3 = 22$