8.4 AB Test Review

What number belongs in the blank? _ + 21r = 7(4 +3r)

• 7

• 3

• 28

• 21

What number belongs in the blank? 35 + _y = 5(7 + 3y)

• 5

• 35

• -5

• 15

What number goes in the blank? 8(3x - 9) = 24x - _

• 9

• 72

• 17

• 20

Which equation has exactly one solution?

• 6t - 8= 6t -9

• 6t -8 = 6t -8

• 6t -8 = 2t +10

Which equation has exactly one solution?

• 3X +12 = (X+6) -(2X+6)

• 2(r +3) = (r +2) + (r +4)

• 2n + 5 = 2n + 7

Which equation has no solution?

• 4g - 10 = 4g - 10

• 5g - 9 = 5g -16

• 8g -18 = 15g +12

Which equation has no solution?

• 12(x + 2) = 6x + 24

• x +32 = x - 14

Which equation has infinite solutions?

• 7d + 8 = 7d +19

• 4d - 9 = 10d +17

• 3d - 10 = 3d - 10

Which equation has infinite solutions?

• 6(x + 4) = 6x +24

• x + 32 = x - 14

• 2x + 2(x + 8)= -72

Which two solutions represents one solution?

• a=a

• b=a

• x=a

• x=b