Open Up Expressions and Equations

Complete the statement

• is greater than       >
• is less than            <
• is equal to              =

8x < 48

• x < -6
• x > -6
• x < 6
• x > 6

Pick the correct inequality.

• A
• B
• C
• D

Does the given value make the inequality true?  x + 9 > 21, when x = 15

• True
• Not True

A student must be at least 15 years old to obtain a driver’s permit.

• x > 15
• x < 15 
• x ≤ 15
• x ≥ 15

Solve the equation:
½x = 6

• x = 12
• x = 18
• x = 3
• x = 16

A red block and a blue block are on a scale.  The red block weights 9 ounces.  The total weight of both blocks is at most 16 ounces.  Which inequality best represents b, the possible weight of the blue block in ounces?

• b ≥ 7
• b ≤ 7
• b ≥ 25
• b ≤ 25

Which number is the solution for the inequality below?
3n < 18

• 0
• 6
• 12
• 18

Peter had $50. Every week he babysits he gets $20.
Which equation describes the relationship between Peter's total money (p) and the number of weeks he babysits (w)

• p=50+200w
• p=200+50w
• p=20+50w
• p=50+20w

When graphing an inequality, you use an open dot when you use which symbol?

• <, >
• ≤, ≥ 
• <,≥
• ≤,>