Expressions Equations and Inequalities Review

What did the student do incorrectly?

• distributed incorrectly

• added variable instead of subtracting

• subtracted variable instead of adding

Tags

CCSS.HSA.REI.A.1

Write the following expression in simplest form: 15k-5(9+6k)+7

• -15k-38

• 21k+2

• -15k-52

Tags

CCSS.6.EE.A.3

How do we graph -3 ≤ x on a number line?

• closed circle, arrow points right

• open circle, arrow points right

• closed circle, arrow points left

Tags

CCSS.6.EE.B.8

Write an inequality: Twelve times a number decreased by 45 is at most 117.

• 12x - 45 > 117

• 12x +45 > 117

• 12x - 45 < 117

• 12x + 45 < 117

Tags

CCSS.7.EE.B.4B

What is the coefficient of x in the expression x + 3y + 2?

• 0

• 2

• 1

• 3

Tags

CCSS.6.EE.A.2B

Which expression is equivalent to 10n + 81 - 4n - 9?

• 6n + 90

• 14n + 72

• 6n + 72

• 14n + 90

Tags

CCSS.6.EE.A.4

Luis has four less than three times the number of apples that Ben has. If Ben has n apples, which expression shows the number of apples Luis has?

• 3n

• 3n - 4

• n - 4

• 4n - 3

Tags

CCSS.6.EE.B.6

Which expression is equivalent to the perimeter of the rectangle shown above?

• 3x + 4

• 6x + 8

• 4x + 4

• 8x + 12

Tags

CCSS.7.EE.A.1

What is the value of the expression 9x² - 12x + 4 when x = 3?

• 22

• 49

• 85

• 697

Tags

CCSS.6.EE.A.2C

Which expression is equivalent to 3(x + 2) + 2x?

• -x

• 3x

• 5x + 2

• 5x + 6

Tags

CCSS.6.EE.A.4