System of Equations Word Problems Solved by Graphing
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The cost of 5 squash and 2 zucchini is $1.32. Three squash and 1 zucchini cost $0.75. Write a system of equations.
5q + 2z = 1.32
1z = 0.75
5q + 2z = 1.32
3q + 1z = 0.75
q + z = 1.32
q + z = 0.75
5q + 2z = 0.75
3q + 1z = 1.32
Tags
CCSS.HSA.CED.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Christian had brochures printed for a new business venture. Christian originally ordered 4 boxes of black-and-white brochures and 3 boxes of color brochures, which cost a total of $134. After those ran out, Christian spent $120 on 3 boxes of black-and-white brochures and 3 boxes of color brochures. Which system represents this situation?
x+y=134
x+y=120
3x+3y=134
4x+3y=120
4x+3y=134
3x+3y=120
7xy=134
6xy=120
Tags
CCSS.HSA.CED.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
________________ is a set of two or more equations that have the same variables.
solution of a system
elimination method
system of equations
table
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
There are 50 donkeys and chickens on a far. There are a total of 174 legs. Which system below can be used to figure out how many of each animal the farm has?
d + c = 174
4d + 2c = 50
d + c = 50
4d + 2c = 174
d + c = 50
2d + 4c = 174
d + c = 174
2d + 4c = 50
Tags
CCSS.8.EE.C.8C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in $52 on the second day by selling 3 senior citizen tickets and 2 child ticket
3S+C=38
3S+2C=52
3S+C=52
3S+2C=38
3C+S=38
3C+2S=52
3C+S=52
3C+2S=38
Tags
CCSS.HSA.CED.A.3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How can you tell if a point is a solution to a system?
It makes the first equation true.
The (x,y) coordinates satisfy both equations
It makes logical sense
It makes neither equation negative
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a system of equations has no solution, what does the graph look like?
intersecting lines
parallel lines
skew lines
intersecting lines
Tags
CCSS.8.EE.C.8A
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