Question

if x= -1/2 is a zero of the polynomial p(x) - 8x³- ax²-x+2 find the value of a​

Answer 1

Answer:

a = 10. Hope it helps and mark as the brainliest

Step-by-step explanation:

x = 0.5(Remainder theorem)

p(0.5) = 8(0.125) - 0.25a - 0.5 +2

0 = -0.25a + 2.5

0.25a = 2.5

a = 2.5/0.25

a = 10