Substitution

Substitution

9th Grade

15 Qs

quiz-placeholder

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Substitution

Substitution

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

CCSS
8.EE.C.8B, HSA.REI.C.9, HSA.REI.C.6

Standards-aligned

Created by

Jennifer Woodard

Used 103+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system of equations.

 x=11x=11 
  4x+y=23-4x+y=-23  

 (11,21)\left(11,21\right)  

 (3,11)\left(3,11\right) 

 (11,67)\left(11,-67\right)  

 (21,11)\left(21,11\right)  

Tags

CCSS.HSA.REI.C.9

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system of equations.
 4x8y=40-4x-8y=40  

 y=4y=-4  

 (23,4)\left(-23,4\right)  

 (4,3)\left(-4,-3\right)  

 (2,4)\left(-2,-4\right)  

 (2,4)\left(-2,4\right)  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system of equations.

 y=5xy=-5x  
 x+3y=28x+3y=28  


(6,30)\left(-6,30\right)

(2,10)\left(-2,10\right)

(10,2)\left(10,-2\right)

(30,6)\left(30,-6\right)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system of equations.
 x=6yx=-6y  

 2x+12y=02x+12y=0  

 (6,1)\left(-6,1\right)  

 (1,6)\left(1,-6\right)  

No solution

Infinite solutions

Tags

CCSS.8.EE.C.8B

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system of equations.
 3x+5y=17-3x+5y=17  

 x=2yx=2y  

 (34,17)\left(-34,-17\right)  

 (8,4)\left(8,4\right)  

 (10,20)\left(10,20\right)  

 (17,34)\left(-17,-34\right)  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system of equations.

 11xy=311x-y=3  
 y=11x3y=11x-3  

(3,33)\left(3,33\right)

(7,77)\left(7,77\right)

No solution

Infinite solutions

Tags

CCSS.8.EE.C.8B

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve using substitution:

 y=1x5y=-1x-5  
 4x8y=44x-8y=4  

 (3,2)\left(-3,-2\right)  

 (5,7)\left(5,-7\right)  

 (3,9)\left(3,9\right)  

 (5,4)\left(-5,4\right)  

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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