Question

what is the value of the expression below when z = 2? 8z² - 8z + 2

Explanation:

Step1: Substitute z=2 into expression

$8(2)^2 - 8(2) + 2$

Step2: Calculate exponents first

$8(4) - 8(2) + 2$

Step3: Perform multiplication operations

$32 - 16 + 2$

Step4: Do subtraction and addition

$16 + 2$

Answer:

18