Question

1. Evaluate the expression 4a - 3b + c; if a = -2, b = 4 and c = -5.

A. -25
B. -15
C. 1
D. 25​

Answer 1

A

Explanation:

plug in all variable values

4(-2) - 3(4) + (-5)

negative × positive = negative

positive × negative = negative

-8 - 12 - 5

-20 - 5

-25