what is the value of the expression 2x^2-5x+6 when x = -2?
a. 32 b. -24 c. 24 d.4
2x^2-5x+6 when x = -2?
2(-2^2) - (5*-2) + 6=
(2*4) - (-10) + 6=
8 +10 +6=24, which is your answer in (c)
2x^2-5x+6 when x = -2
2(-2)^2 -5(-2) + 6 =
2*4 +10 + 6 =
8 + 10 + 6 =
24
