Question

Which of the following expressions are equivalent? 1.6(a + 2) 2. 6a + 12 3. 3(2a + 4) 00:00 Only expressions 1 and 2 are equivalent. 00:00 Only expressions 1 and 3 are equivalent. O 00:00 Only expressions 2 and 3 are equivalent. 00:00 Expressions 1, 2, and 3 are equivalent.

Answer 1

1. 6 (a+2)

2. 6a+12

3. 3 (2a+4)

Apply distributive property to solve 1. and 3.

1.

6(a)+6(2) = 6a+12

3. 3(2a)+3(4) = 6a+12

So, expressions 1,2,and 3 are equivalent.