Unit Test review: expressions, equations and inequalities

Combine the like terms: 3D + 7D - 6 + 2X

• 10D + 2X - 6

• 18 DDX

• 10D + 8X

• 3D + 7D - 6 + 2X

Combine the like terms: 9 + 3g - 3 + 7h - g + 2h

• 9 + 3g - 3 + 9h

• 9 + 2g - 3 + 9h

• 6 + 2g + 9h

• 12 + 4g + 9h

After combining like terms what are the terms in the problem: 5t - 3t + 3 + 7m + 1

• 8t, r, 7m

• 2t, 4, 7m

• 8t, 11m

• 2t, 7m, 3, 1

Evaluate the expression: 2 + 4 x 6 - (2 + 6)

• 28

• 30

• 18

• 72

Solve for X
3X=24

• X= 21
• X=27
• X=8
• X=72

Solve For X
X+9=3

• X=12
• X=6
• X= -12
• X= -6

Tags

CCSS.6.EE.B.7

X+7> 3

• X > 10
• X< -4
• X > 4
• X > -4

Tags

CCSS.7.EE.B.4B

15 < x -3

• X >18
• X < 18
• X > 12
• X < 12

Tags

CCSS.7.EE.B.4B

Which inequality represents this number line?

• X > 1
• X < 1
• X ≤ 1
• X ≥ 1

Tags

CCSS.6.EE.B.8

Marcos wants to spend at least $80 on new shoes. He has already saved $25. How much more does he need to save?
Which inequality could be used to solve this problem? 

• X -25 > 80
• X + 25 > 80
• X + 25 ≤ 80
• X + 25 ≥ 80