Pre-Algebra Midterm

Mason ran 3.5 miles in 25 minutes. What is his unit rate in miles per hour?

• 0.14 miles per hour
• 7.14 miles per hour
• 8.4 miles per hour
• 10 miles per hour

Solve the proportion.

• 2
• 9
• 4.5
• 6

Which equation matches the given graph?

• y = 0.45x
• y = 2/5 x
• y = 4x
• y = 5/2 x

Write the equation for the table given.

• y = 2x
• y = 8x
• y = 12x
• y = 16x

What is the Constant of Proportionality (unit rate) in the graph?

• 46
• 92
• 0.2
• there is no constant

Does the given table represent a proportional relationship? If so, what is the constant?

• Yes; ⅓
• Yes; 3
• Yes; 5
• No

What would be another (x,y) pair that would have the same constant as the values in the table?

• (1,5)
• (2,1)
• (6,2)
• (2,6)

Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $200 earned for every 2 hours worked
• $500 is earned after 8 hours worked
• $300 is earned after working 4 hours

Find the sum.
-6.5 + 3.2

• - 9.7
• - 3.3
• 3.3
• 9.7

Find the difference.
4.2 - 7.5

• - 11.7
• - 3.3
• 3.3
• 11.7