Math 8 Refresher #8

Simplify this expression. h+h+h+h

• 4h

• 5h

• 3h

• h4

Simplify this expression. m+m+m+2m

• 5m

• 8m

• 4m

• 6m

Simplify this expression. n+3n+2n-n

• n5

• 4n

• 5n

• n

5(a + 6)

• 5a + 6

• a + 30

• 5a + 30

• 5a - 30

6 (x + y + 7)

• 6x + 6y + 42

• 12xy + 42

• 6x + 6y + 7

• 6x6y + 42

Which of the following is equivalent to 4(2x + 3)

• 8x + 12
• 8x + 3
• 8x - 12
• 20x

Which number is an integer?

• -1/2
• 0.2
• 3/4
• -2

• -18

• 81