Michelle and Julie are 17-year old twins, who decided to save their earnings to buy a car. One week Michelle worked 8 hours and Julie worked 14 hours, and they saved $128. The next week Michelle worked 12 hours, Julie worked 16 hours, and they earned $162. Write a system of equations to model the situation. Solve the system to determine how much each girl earns per hour.
Systems of Linear Inequalities

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
14 questions
Show all answers
1.
OPEN ENDED QUESTION
1 min • 1 pt
Evaluate responses using AI:
OFF
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(-6, 2)
(4, 1)
(2, -4)
(-1, 6)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations by substitution.
y = -4x + 5
y = 3x - 16
(-3, -25)
(3,-7)
(11, 17)
(21, 47)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following shows the solution to the system?
y= -1/4x + 4
y = 2x + 2
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which system of linear inequalities is represented by the graph?
y≤2x-1
y>-2x+3
y>2x-1
y≤-2x+3
y<2x-1
y≥-2x+3
y≤2x-1
y>2x+3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of inequalities by graphing.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution?
(1, -1)
(-1, 1)
(0, -2)
(0, 1)
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