Expression and Equation Review

Which of the following expressions represents 8 less than the product of 4 and a number?

• 8 - 4x

• 8 - x/4

• 8 - 4/x

• 4x - 8

Tags

CCSS.6.EE.B.6

CCSS.6.EE.A.2

CCSS.6.EE.A.3

Which of the following is an equivalent expression to

-7x + 4 ?

• 3x + 2 - 5(2x + 1)

• 3x + 2 - 2(5x + 2)

• 3x + 6 - 2(5x + 1)

• 3x + 3 - 5(2x + 2)

Tags

CCSS.6.EE.A.4

CCSS.6.EE.A.3

Which of the following is an equivalent expression to

-3(-6x - 7) ?

• 18x - 21

• -18x - 21

• -18x + 21

• 18x + 21

Tags

CCSS.6.EE.A.4

Which expression is equivalent to 6x - 15 ?

• 3(2x - 5)

• 6(x - 15)

• 3x(x -5)

• x(6 - 15)

Tags

CCSS.6.EE.A.4

Lily tutors a student for $ 22.50 per hour. She spends $60 on transportation. How much does she earn if she tutors for n hours?

• 22.50n + 60

• 60n - 22.50

• 60n + 22.50

• 22.50n - 60

Tags

CCSS.6.EE.B.6

CCSS.6.EE.A.2

Which is the first step in solving x - 9 = 9 ?

• Add 9 to the left side

• Add 9 to both sides

• Subtract 9 from the left side.

• Subtract 9 from both sides.

Tags

CCSS.6.EE.B.5

Which equation has x = -5 as the solution ?

• 2x - 1 = -11

• 2x + 1 = 11

• 4x - 2 = 14

• 4x + 2 = -8

Tags

CCSS.6.EE.B.5

Solve the equation: -3(2x - 7) = -3

• x= -3

• x = 3

• x = -4

• x = 4

Tags

CCSS.7.EE.B.4A

A taxi cab costs $2.50 for the first mile and $0.50 for each additional mile. Which equation could be solved to find how many miles you can travel in a taxi for $20, given that m is the number of additional miles?

• 2.50x + 0.50x = 20

• 2.50 + 0.50x = 20

• 0.50x - 2.50 = 20

• 2.50x - 0.50 = 20

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

Shirely sells tickets for dance events. This month she earned commission of $2,250, which is $780 more than she earned last month.. Which equation can be used to find last month's commission?

• x + 780 = 2250

• x - 780 = 2250

• x + 2250 = 780

• 12x + 780 = 2250

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9