7th Math SW2 Review

4x + 7 = 23

• x = 16
• x = 4
• x = 9
• x = 12

Which expression represents a negative number?

• 5 − (-6)

• -12 ÷ -6

• (-3)³

• (-2) × (-4)

Which value below is a solution to the following inequality?

-2y + 3 < 7

• x < -2

• x > -2

• x < -5

• x > -5

16 - 4a > 8

• a < -2

• a > -2

• a < 2

• a > 2

What is the relationship in this table between the number of tickets(x) to the total cost(y)?

• Multiply by 2
• Multiply by 54
• Multiply by 27
• Multiply by 1

A rate in which the second quantity is ONE unit is the ___________________.
ex: 50 miles per hour

• Rate of change 
• Proportion
• Unit rate

Why does this graph show a non-proportional (not proportional) relationship?

• Because it is proportional
• It goes through the origin
• It does not go through the origin
• It is a straight line

Which graph is proportional?

• A
• B
• C and D
• All of the graphs are proportional

The constant of proportionality can be found by finding the __________  _____________.

• unit rate
• ratio rate
• proportion answer
• rational number

The fraction  $\frac{1}{5}$  as a rate of change (slope) will... 

• Rise 4, &  Run 1 

• Rise 1 , & Run 5 

• Rise 5, & Run 5 

• Rise 5 & Run 1