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solve system of equations

Authored by Lee Zaretsky

Mathematics

9th - 12th Grade

CCSS covered

Used 55+ times

solve system of equations
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 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.HSA.REI.C.6

CCSS.8.EE.C.8B

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the best method to use?

2x − 3y = −1

y =x − 1

Graphing

Substitution because a variable is defined

Elimination because the equations are in standard form.

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

3.

MULTIPLE CHOICE QUESTION

30 sec • 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.HSA.REI.C.6

CCSS.8.EE.C.8B

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the best method to use?

y = −3x + 5

5x − 4y = −3

Graphing

Substitution because a variable is defined

Elimination because the equations are in standard form

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the best method to use?

4x + 8y = 20

−4x + 2y = −30

Graphing

Substitution because a variable is defined

Elimination because the equations are in standard form

Tags

CCSS.HSA.REI.C.6

CCSS.8.EE.C.8B

6.

MULTIPLE CHOICE QUESTION

45 sec • 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.HSA.REI.C.6

CCSS.8.EE.C.8B

7.

MULTIPLE CHOICE QUESTION

30 sec • 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.HSA.REI.C.6

CCSS.8.EE.C.8B

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