Question

II)
Find the value of the quadratic polynomial p(x) = 2x2 - 4x-9 at x = -2 1​

Answer 1

❥Answer

p(x) = 2x² - 4x -9

at x = -2

p(-2) = 2(-2)² - 4(-2) - 9

= 2(-8) - (-8 ) - 9

= -16 + 8 - 9

= -17

Answer 2

Answer:

957

Step-by-step explanation:

p(-21)= 2(-21)²-4(-21)-9

= 882+84-9

= 966-9=957

hope it helped you