Question

Use the expression 8a + 16c.

Part a
Factor the expression using the GCF.
part b
What is the value of the expression
when a = -5 and c = -1?

Answer 1

PA) 8

PB) 45

Explanation:

PA) Find the prime factors of each term in order to find the greatest common factor (GCF).

8

PB)

Step 1:

(8 x 5) + (16 x -1)

Step 2: Multiply

40 + 15

Step 3: Add

45