Unit 2B Study Guide

Portia is reading a novel that has a total of 363 pages. So far, she has read 195 pages. Portia is reading at an average rate of 28 pages per hour. If she continues reading at this rate, how many more hours must she read to finish this novel?

• 6 hours

• 7 hours

• 10 hours

• 13 hours

Tags

CCSS.6.EE.B.7

Solve:

3x + 18 = 36

• x = -6

• x = -3

• x = 3

• x = 6

Tags

CCSS.7.EE.B.4A

Solve:

-3(m + 12) - 6 = -66

• m = 2/3

• m = -12

• m = 8

• m = 36

Tags

CCSS.7.EE.B.4A

T-shirts cost $10 each, but Dominique has a $6.00 off coupon. If she spent a total of $44.00, how many shirts did she buy?

• 4 shirts

• 5 shirts

• 6 shirts

• 7 shirts

Write an equation AND then identify the first step you would follow to solve it:

Five less than the product of seven and a number is twenty-eight.

• Add 7 from both sides

• Add 5 to both sides

• Subtract 7 from both sides

• Subtract 5 from both sides

Tags

CCSS.7.EE.B.4A

Solve:

Eight less than the product of -3 and a number is greater than -26.

• 8-(-3) + a > -26

  a > -37

• 8-3a > -26

  a < 11

• -3a + 8 < -26

  a > -31

• -3a - 8 > -26

  a < 6

Tags

CCSS.7.EE.B.4B

Solve the multi-step equation. –5 = 6x + 3 + 7x. List all the steps you would do to solve.

• Combine like terms.

• Subtract 3 from both sides of the equation.

• Divide both sides by 13.

• Plug your answer back into the original equation to check answer.

• Subtract 13x from both sides of the equation.

Tags

CCSS.8.EE.C.7B

Solve AND graph the inequality:

3x+4 > 7

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Tags

CCSS.7.EE.B.4B

Solve AND graph the inequality:

-2x - 1.2 ≤ 6.8

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Tags

CCSS.7.EE.B.4B

An isosceles triangle has a perimeter of 21. The two shorter sides have integer lengths equal to x and the third side is equal to x+3. What are the lengths of the three sides of the triangle?

• 6, 6, 9

• 5, 5, 8

• 3, 3, 6

• 2, 2, 5