Question

expressions and equations
given a = 3, b = -1, and c = -2; what is the value of the expression 2a - 7b - 6c²?
select one answer
a -25
b -11
c 23

Explanation:

Step1: Substitute given values

$2(3) - 7(-1) - 6(-2)^2$

Step2: Calculate each term

$6 + 7 - 6(4)$

Step3: Simplify the expression

$13 - 24$

Answer:

B. -11