Alg 1: Equations & Inequalities Study Guide

Which of the sets shown includes the elements of Set Z that are both odd numbers and multiples of 5?

• {-15, -10, 10, 20}

• {15}

• {-15, -10, 7, 10, 20}

• {-15, -12, -10, 2, 7, 10, 20}

Tags

CCSS.5.OA.B.3

Tags

CCSS.8.NS.A.2

What is the value of x in this equation?

5x - 2(2x - 1) = 6

• 3

• 8

• 4

• 7

Tags

CCSS.8.EE.C.7B

The sum of three consecutive odd integers is 105. What are the three numbers?

Tags

CCSS.8.EE.C.7B

Jacinta buys 4 pounds of turkey and 2 pounds of ham. She pays a total of $30, and the turkey costs $1.50 less per pound than the ham. What would be the combined cost of 1 pound of turkey and 1 pound of ham?

• $7.50

• $9.50

• $15.00

• $10.50

Tags

CCSS.8.EE.C.8C

How many solutions are there to this equation?

• no solution

• exactly one solution

• at least two solutions

• infinitely many solutions

Tags

CCSS.8.EE.C.8B

Teo makes a necklace of x wooden beads at $0.50 each and 6 glass beads at $1.25 each. The average cost of the beads in the necklace is $0.75. Write an equation to model the situation.

​ ​

• 0.50x + 7.50 = 0.75 (x + 6)

• 0.50x + 0.75x = 6 + 7.50

• 0.50x + 6 =0.75x

• 1.25x + 6x = 0.5x + 0.75x

Tags

CCSS.8.EE.C.7B

Solve the equation y = ax - b for the variable x.

Tags

CCSS.HSA.CED.A.4

Tags

CCSS.HSA.CED.A.4