Systems Substitution First Step

Systems Substitution First Step

9th Grade

10 Qs

quiz-placeholder

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Systems Substitution First Step

Systems Substitution First Step

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
8.EE.C.8B, HSA.REI.C.7, 8.EE.C.8A

+1

Standards-aligned

Created by

Anthony Clark

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the best method do you use?


x = 6y − 11

−2x − 3y = −7

Graphing, because they are both in slope-intercept form

Substitution because a variable is isolated (solved for)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

1 min • 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

3.

MULTIPLE CHOICE QUESTION

1 min • 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

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the solution to the following system?

x = 4y

x - 4y = 0

(0, 0)

no solutions

infinite solutions

(4, 0)

Tags

CCSS.8.EE.C.8B

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

y = 5x + 1
y = 3x + 13

(6, 31)

(31, 6)

(4, 21)

(2, 11)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

no solution

infinite solutions

(0 , 0)

(2 , 2)

Tags

CCSS.8.EE.C.8B

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve this system of equations. 
y = 2x + 1
y = 4x - 1

(1,3)

(-1,-3)

(-1,3)

(3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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