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Solving Systems of Equations Using Substitution

Authored by Dawn Harrison)

Mathematics

9th Grade

CCSS covered

Used 1+ times

Solving Systems of Equations Using Substitution
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

How confident are you are solving a system of equations using substitution?

I am rock SOLID!

I am probably ok, but a few more examples wouldn't hurt.

I still have a lot of questions.

I will need help walking through that again.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does

"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 solves both equations at the same time

It's the point where graphs of both equations cross the x-axis

Tags

CCSS.8.EE.C.8B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The first step in solving using the substitution method is __________.

get x by itself

get y by itself

get either variable by itself

add the equations together

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the system by substitution. 
3x − 2y = 7 
y = 2x − 7 

No solution 
 (7, 7)  
 (−7, −7)  
 (−7, −3)  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the system by substitution. 
y = 2x − 11 
2x − 8y = 4 

 (6, 1)
(6, −4)
(6, −1)
Infinite number of solutions  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve this system of equations.

y = 2x + 1

y = 4x - 1

(1,3)

(-1,-3)

(-1,3)

(3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What are ALL the possible solutions to a System of Equations?

One Solution

Infinite Solutions

No Solution

Tags

CCSS.8.EE.C.8B

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