Math 7 Review Work May 2019

Which expression is not equal to 0?

• 5-5

• 6 - (-6)

• -7+7

• -8 - (-8)

^{You leave school and walk 1.237 mi west. Your friend leaves school and walks 0.56 mi east. How far apart are you and your friend?}

• 0.677 miles

• 0.69272 miles

• 1.293 miles

• 1.797 miles

Which is the simplified form of 3.7x - 5 - 2.3x

• -3.6x

• 6x - 5

• 1.4x - 5

• 3.7x - 7.3

What is the value of the expression -38 - (-14)?

• -52

• -24

• 24

• 52

What is the simplified form of the expression 7x - 2 (3x + 6)?

• 15x + 30

• x - 12

• 13x + 12

• -11x

Which expression is not equivalent to 72m - 60?

• 6(12m - 10)

• 4(18m - 15)

• 12m

• 12( 6m - 5)

Which expression is equivalent to 9h - 6 + 7h - 5?

• 3h + 2

• 16h + 1

• 2h - 1

• 16h -11

You recycle (6c+10) water bottles. Your friend recycles twice as many water bottles as you recycle. Which expression represents the amount of water bottles your friend recycles?

• 3c + 5

• 12c +10

• 12c + 20

• 6c + 12

The school store sells 4 pencils for $0.80. What is the unit cost of a pencil?

• $0.20

• $0.80

• $3.20

• $5.00

What is the simplified form of the expression 3x - (2x -5)?

• x - 5

• x + 5

• x + 5

• -x - 5