Equations Quiz Math 7 + for Math 8 Unit 4

Which of these expressions is equivalent to 3(x−2)

?

• 3x−6

• 3x−2

• 3x+2

• 3x+6

• -6 + 3x

Which of these expressions is equivalent to -2(x−5)

?

• -2x−5

• -2x+5

• -2x+10

• -2x−10

Combine like terms and write an equivalent expression with fewer terms for 3x − 5 – 10x − 2

• 13x − 7

• 7x − 7

• –7x +14

• –7x – 7

Find a value for x

that makes the equation true: x÷3=–12

• 36

• 4

• –4

• –36

Find a value for x

that makes the equation true: –2x+3=20

• 17/2

• –17/2

• 23/2

• –23/2

• -34

Find a value for x

that makes the equation true: –2(x−4)=10

• –1

• –16

• –4

• –24

Find a value for x

that makes the equation true: –0.5x+1.1=–2.9

• 8

• –8

• –9

• –36

• 9

Solve: 4(x−1)−3(x−2)=-8

• –10

• 10/7

• –6/7

• 10

Solve: (1/2)n – 7 = (1/3)(n – 12)

• 18

• -18

• 66

• –66

Solve: 3y−4=6−2y

• 2

• –2

• 50

• –50