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solving linear systems by substitution

Authored by Vashti Daise

Mathematics

8th Grade

CCSS covered

Used 26+ times

solving linear systems by substitution
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8 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve for x and y
2x − 3y = −1
 y = x − 1

(-2,-3)
(0,-1)
(3,4)
(4,3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve the system of equations.

y = 4x + 1

3x + 2y = 13

(1, 5)

(5, 1)

(0.25, 2)

No solution

Tags

CCSS.8.EE.C.8B

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the system by Substitution. 
2x + 3y = 18
  x = 3y - 9

(3, 4)
(-3, 4)
(4,3)
(-9, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the system by Substitution. 
y=2x
x + y = 9

(6, 3)
(3, 6)
(-3, -6)
no solution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the system of equations using substitution:
2x + 3y = -5
x = y + 5

(-4, 1)
(2, -3)
(6, 1)
(8, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

y = x - 2
-2x + 3y = -1

(5, -3)
(5, 3)
(-5, -3)
(-5, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve by graphing. (use the graphs I sent home with you)

y = 2x + 1

y = 4x - 1

(1,3)

(-1,-3)

(-1,3)

(3,1)

Tags

CCSS.8.EE.C.8B

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