Algebra quiz writing linear equations word problems
Authored by Crystal Bruyere
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Researchers in Antarctica discovered a warm sea current under a glacier that is causing the glacier to melt. The ice shelf of the glacier had a thickness of approximately 450 m when it was first discovered. The thickness of the ice shelf is decreasing at an average rate of 0.06 m per day.
Which function can be used to find the thickness of the ice shelf in meters x days since the discovery?
t(x) = 450 - 0.06x
t(x) = -0.06(x + 450)
t(x) = 450 + 0.06x
t(x) = 0.06(x + 450)
Tags
CCSS.HSF-BF.A.1A
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A plant is 5cm tall and growing at a rate of 3cm a month.
y = 5 - 3x
y = 5x + 3
y = 3x +5
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Joe has $150 in his savings account and saves $40 per month. Which equation represents the amount Joe has in his account after x months?
y = 150 + 40
y = 40x + 150
y = 150x + 40
Tags
CCSS.6.EE.C.9
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A man is climbing down from 100 feet high descending 30 feet per minute.
Tags
CCSS.HSF-BF.A.1A
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Connor has sold 15 cups of lemonade at his stand and will sell 5 more cups per hour. Write an equation to represent this situation.
y = 10x + 5
y = 20x
y = 15x + 5
y = 5x + 15
Tags
CCSS.HSF-BF.A.1A
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Sally plans to walk 12 miles every week. Write an equation to represent this situation.
y = 12x
y = 12x + 12
y = 10x + 2
y = 2x + 10
Tags
CCSS.6.EE.C.9
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Amelia has $100 in her savings account and plans on solving $20 per week. Write an equation to represent this situation.
y = 100x
y = 20x
y = 20x + 100
y = 100x + 20
Tags
CCSS.HSF-BF.A.1A
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