Search Header Logo

Systems by Substitution Steps

Authored by Anthony Clark

Mathematics

8th Grade

20 Questions

CCSS covered

Used 1+ times

Systems by Substitution Steps
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Infinite number of solutions

(0, 7)

(-5, -7)

(5, 7)

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.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why does substitution help us solve a system of equations?

It changes one variable to an expression using the other variable, so we can solve an equation that only has one variable at a time.

It creates a problem with fewer steps.

It puts both equations in slope-intercept form for easy graphing.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

TRUE or FALSE:

When both equations have the same variable isolated

(both y = or both x = ),

substituting the first into the second ends up looking like

you just set the two equal to each other.

TRUE

FALSE

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the solution to this system? Solve by substitution.
y= 4x + 3
2x - 3y = 21

(3,-9)

(-3,-9)

(-3,9)

(0,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

(1, -4)

(1, 4)

(-4, -7)

(-7, -4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve this system by substitution.

(1,-4)

(1,4)

(-4,-7)

(-7,-4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?