Equations and Inequalities Practice

10x + 9 = 4x - 9

• 0
• 3
• -3
• -18

7w + 5 = 3w - 15

• 5
• -2
• 2
• -5

Joe’s Canoes charges an initial fee of $20 plus $4 an hour. Callie’s Canoes charges a flat rate of $14 an hour. Find the number of hours for which the total amount that both places charge would be the same.

• 3 hours
• 4 hours
• 1 hour
• 2 hours

Peppy Pets charges a flat fee of $15 plus $3 per hour to keep a dog during the day. Happy Hounds charges a flat fee of $21 plus $1 per hour. For how many hours is the total fee charged by the companies the same?

• 2 hours
• 3 hours
• 4 hours
• 5 hours

Tags

CCSS.8.EE.C.8C

• x = 1

• x = 2

• x = 1/2

• x = 3/2

Write an equation and solve for x.

• x = 9

• x = -5

• x = 3

• x = -7

which equation is represented by the model?

• 2x + 4 = 3x +5
• 5x +8 = 4x +11
• 3x + 3=1x + 7
• 5x +10= 10x + 2

Tags

CCSS.HSA.CED.A.3

What is the solution to the system?

• (3, -1)
• (2, -6)
• No Solution 
• (6, -2)

Tags

CCSS.8.EE.C.8A

What is the solution?

• (1, -1)
• (-1, 1)
• (0, -2)
• (0, 1)

Tags

CCSS.8.EE.C.8B

What is the solution?

• (6, 3)
• (3, 6)
• (-6, 3)
• No solution

Tags

CCSS.8.EE.C.8A