Question

How do you evaluate the expression-4ac for the following conditions:

Answer 1

a. -4ac

-4(2)(-3)
multiply

-4(-6)
multiply, again

24

b. -4ac

-4(-4)(-2)
multiply

-4(8)
multiply, again

-32

c. -4ac

-4(-1)(5)
multiply

-4(-5)
multiply, again

20

Answer 2

(a) = 24
(b) = -32
(c) = 20


To evaluate the expression, take what a and c equal and substitute the numbers into the equation and solve.