Unit 2 Quiz 2 - Equations and Inequalities

A linear equation is shown below.
2(x + 3) - 4 = 18
Which value of x makes the equation true?

• x = 3
• x = 6
• x = 11
• x = 8 

Sarah has $14 and earns $6.25 per hour at work.  
Which equation can be used to determine how much money, m, Sarah has after working any number of hours, h?

• m = 14h + 6.25
• m = 6.25h + 14
• 14 = m + 6.25h
• 6.25 = 14m + h

Julius has $22 and earns $8.50 per hour at work.  The equation to determine how much money, m, Julius has after working h hours is given below.
m = 8.5h + 22
How long will it take Julius to earn $124.00?

• 10 hours
• 11 hours
• 12 hours
• 13 hours

A real estate agent earns a base salary of $1250.  For every house, h, she sells, she receives $750.  
Which equation could be used to determine the amount of money, m, she would have after selling any number of houses, h?

• m = 1250 + 750h
• m = 750 + 1250h
• 1250 = 750h + m
• 750 = 1250m + h

Brandon earns $1050, plus an additional $825 for each house he sells.
m = 1050 + 825h 
can be used to represent this scenario.
How much money will he have if he sells 7 houses?

• $1,882
• $13,125
• $8,175
• $6,825

Which sentence represents m > 41?

• Mary’s points, m, totaled more than 41
• Calvin ran no less than 41 miles, m
• The temperature, m, was less than 41°F
• The magazines’ cost, m, was not more than $41.

4h<8

• h<32
• h<2
• h<4
• h>2

3g >12

• g>36
• g<36
• g>4
• g<4

• less than
• greater than
• less than or equal to
• greater than or equal to

• less than
• greater than
• less than or equal to
• greater than or equal to