Solving Systems of Linear Equations by Substitution
9th Grade
•13 Qs
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Solving Systems of Linear Equations by Substitution
Quiz
•
Mathematics
•
9th Grade
•
Hard
+1
Standards-aligned
Anthony Clark
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Your family goes to a restaurant for dinner. There are 6 people in your family. Some order the chicken dinner for $14.80, and some order steak for $17. If the total bill was $91, which system best represents the situation?
x + y = 6
14.80x + 17y = 91
x + y = 91
14.80x + 17y = 6
x + y = 6
14.80y + 17x = 91
x + y = 91
14.80x+ 17y = 6
Tags
CCSS.HSA.CED.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Flagship Cinemas sells movie tickets that are $4 for matinees and $7 for regular. One night, the theater sells 578 tickets and collects $3365 in total ticket sales.
Which system best represents the situation?
4x + 7y = 578
x + y = 3365
4x + 7y = 3365
x + y = 578
4y + 7x = 578
x + y = 3365
4y + 7x = 3365
x + y = 578
Tags
CCSS.HSA.CED.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nancy went to the grocery story. On Monday she purchased 4 apples and 6 bananas for a total of $13. On Wednesday she purchased 3 apples and 7 bananas for a total of $13.50. Which system of equations represents the situation?
4x + 6y = 3
13.5x - 13y = 6
x + y = 4
x - y = 6
4x + 6y = 13
3x + 7y = 13.5
4x - 6y = 13
3x - 7y = 13.5
Tags
CCSS.8.EE.C.8C
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system of linear equations?
y = -2x - 6
-2x + y = 6
(0, -3)
(-3, -12)
(-3, 0)
(3, -12)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
There are 15 animals in a barn. These animals are horses and chickens. There are 44 legs in all. Which system of equations represents the situation? (hint: horses have 4 legs and chickens have 2 legs)
x + y = 15
4x + 2y = 44
4x + 2y = 15
x + y = 44
x = 2y + 44
4x = y + 15
2x - 4y = 44
x - y = 15
Tags
CCSS.8.EE.C.8C
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Solve the system of Linear equations by substitution.
Your solution is an ordered pair: example (1,2)
(x,y)
Solve for x and y!
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Solve the system of linear equations by SUBSTITUTION.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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