6th Grade Equations Expressions Inequalities QUIZ

Select all the equations where x = 3 is a solution.

• x − 3 = 0

• 1 + x = 2

• 6 = 2x

• 9 − x = 3

• x² = 9

Which expression is equivalent to 20c − 8d?

• 2(10c + 4d)

• 4(5c − 8d)

• 4(5c − 2d)

• c(20 − 8d)

Simplify the expression:
7(n-3)

• 7n + 21
• 7n - 21
• 7n - 7
• n - 21

18+m=38

• m=0

• m=10

• m=20

• m=8

5.    6b = 30

• x = 36
• x = 24
• x = 180
• x = 5

What inequality does the number line graph represent?

• x ≤ 4
• x ≥ -4
• x < -4
• x < 4

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

x - 8 = -5 

• 13
• -13
• 3
• -3

Match the graph with its inequality.

• a > 11

• a < 11

• a ≥ 11

• a ≤ 11

When you graph an inequality, you used a closed dot when you use which symbols?

• ≤, ≥ 
• <, >
• ≤, <
• ≥, >