How do you evaluate the expression-4ac for the following conditions:
2 answers:
(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.
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
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