Linear Graphs Word Problems

Quiz
•
Mathematics
•
8th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Joan needed $100 to buy a graphing calculator for her math class. Her neighbor will pay her $5 per hour to babysit and her Father gave her $10 for mowing the lawn. Which inequality represents the minimum amount of hours she will need to babysit in order for her to buy her calculator?
5x + 10 ≥ 100
5x - 100 ≥ 10
10x + 5 ≤ 100
5x + 10 > 100
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the linear inequality in standard form for this situation: Ms. Mallory is ordering pizzas and breadsticks for a school party and has a budget of no more than $81. An order of breadsticks costs $7 and a pizza costs $13.
7x + 13y < 81
7x + 13y ≥ 81
7x + 13y ≤ 81
7x + 13y > 81
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the linear inequality in standard form for this situation: The New Kent High School science department can spend no more than $2700 on textbooks next year. The department needs to buy both Biology text books, which cost $57 each, and Chemistry textbooks, which cost $72 each.
57x + 72y ≥ 2700
57x + 72y > 2700
57x + 72y < 2700
57x + 72y ≤ 2700
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A camp charges families a fee of $625 per month for one child and a certain amount more per month for each additional child. Use the graph to write an equation in slope-intercept form to represent the amount a family with x additional children would pay.
y = 625x + 225
y = 225x
y = 225x + 625
y = 625
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Look at the linear equation graphed. If x = 16, what value of y is a solution to this equation?
y = 32
y = -3
y = 16
y = 8
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A company produces two types of products, A and B. Each unit of product A requires 1 hour of labor and each unit of product B requires 2 hours of labor. The company has a total of 40 hours of labor available. Which of the following linear equations represents this situation?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Clare owns a mobile pet grooming company. She charges $20 to come to your home plus $30 per hour to groom your pet. Which graph models the amount she charges over time?
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