Solving Systems by Substitution (Basic)
Authored by Suzanne Stuenkel
Mathematics
7th - 8th Grade
CCSS covered
Used 19+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
1. You need paper and a writing utensil. If you do not have them, go get them now. You have 30 minutes to complete these questions.
I have my paper and writing utensil.
I'm ready. Let's GO!!!!!!
Not feeling it today so I'm not going to answer these questions.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2. What does the "solution to a system of equations" mean?
It's the point where both equations equal zero.
It's the point where graphs of both equations cross the y-axis
It's the point that makes both equations true.
It's the point where the graphs of both equations cross the x-axis.
Answer explanation
A solution to the system is the ordered pair that makes both equations true.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
3. How many solutions does this graph have?
One Solution
No Solution
Infinitely Many Solutions
(0, 6)
Tags
CCSS.8.EE.C.8B
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4. How many solutions does this graph have?
One solution
No solution
Infinitely Many Solutions
(0, 3)
Tags
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5. How many solutions does this graph have?
One solution
No solution
Infinitely Many Solutions
(0, -3)
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6. What is the correct first step when solving this system of equations using substitution.
-3x + 4y = 12
x = 2y
The variable is already isolated so the system is solved.
One equation has an isolated variable so we can substitute the second equation into the first equation to find the value of y.
I have no clue and don't see any information in the notes or my examples.
Solve the top equation for
y = mx + b
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
7. Solve the system using substitution.
y = 6
y = 2x - 3
(6, 6)
(9, 6)
(6, 9)
(9, 9)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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