Solving Systems of Equations by Substitution and Elimination

Solving Systems of Equations by Substitution and Elimination

10th - 12th Grade

15 Qs

quiz-placeholder

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Solving Systems of Equations by Substitution and Elimination

Solving Systems of Equations by Substitution and Elimination

Assessment

Quiz

Mathematics

10th - 12th Grade

Medium

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

Standards-aligned

Created by

Dennis Murphy

Used 55+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the best method do you use?

y = 6x − 11

−2x − 3y = −7

Graphing

Substitution because a variable is defined

Elimination because both equations are in standard form.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the best method to use?

−4x − 2y = −12

4x + 8y = −24

Graphing

Substitution because a variable is defined

Elimination because the equations are in standard form.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the proper way to set up the equation to begin solving?


y = 6x − 11

−2x − 3y = −7

-2(-11) -3y= -7

-2(6x-11) -3y = -7

-2x -3(11) = -7

-2x - 3(6x-11)= -7

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What variable do you eliminate?


4x + 8y = 20

−4x + 2y = −30

X because they have opposite signs

Y because they have opposite signs

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What variable do you eliminate, and what do you multiply the equation(s) by?

5x + y = 9

10x − 7y = −18

You eliminate x, and multiply the top equation by -2

You eliminate y, and multiply the top equation by 7

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What variable do you eliminate and how?

7x + 2y = 24

8x + 2y = 30

You pick x because it's LCM is 56

You pick y because it's LCM is 2.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

15 mins • 12 pts

Solve for x and y
3x + 2y = 16
7x + y = 19
(-2,5)
(-2,-5)
(2,-5)
(2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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