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Systems w/ Substitution

Authored by Kimberly Vallone

Mathematics

8th Grade

CCSS covered

Systems w/ Substitution
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a system by Substitution?

Make sure both equations are in standard form.
Make sure at least one equation is solved for one variable.
Make sure both equations are in slope-intercept form.
Make sure both equations can be solved.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When solving a system of equations algebraically, which statement results in infinite solutions?

4 = 7

2 = 2

-3 = 3

all of the above

Tags

CCSS.8.EE.C.8B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When solving a system of equations algebraically, which statement results in no solution?

4 = 7

-2 = 2

-3 = 3

all of the above

Tags

CCSS.8.EE.C.8B

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the solution to the following system:

y = 5x

3x + y = 24

(15, 3)

(3, 5)

(3, 15)

(5, 3)

Tags

CCSS.HSA.REI.C.7

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the solution to the following system?

x - y = 6

x = 11

(11, 5)

(55, 5)

(11, 11)

(5, 55)

Tags

CCSS.HSA.REI.C.7

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the solution to the following system?

2x + 7y = 3

y = -1

(5, -1)

(5, -5)

(5/7, -1)

(-1, 5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the solution to the following system?

y = 5

-3x + 4y = 8

(5, 7)

(4, 5)

(-3, 5)

(-4, -20)

Tags

CCSS.HSA.REI.C.9

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