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M8 Lesson 15 Day 1 Substitution

Authored by Heather Kinkade

Mathematics

8th Grade

CCSS covered

Used 8+ times

M8 Lesson 15 Day 1 Substitution
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12 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 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

5 mins • 1 pt

Solve the System by Substitution. Use Teacher Example 1 to help.


y = 8


2x + y = 18

(5, 8)

(-5, 8)

(2, 8)

(-2, 8)

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the System of Equations using substitution

Use Teacher Example 1 for help.


x + y = 9


y = 3

6,3

3,3

18,2

21,0

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the System of Equations using substitution

Use Teacher Example 1 for help.


x = 6


y = 2x - 3

(6, 6)

(6, 9)

(9, 6)

(9, 9)

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the System of Equations using substitution

Use Teacher Example 2 for help.


y=2x


5x - 2y = 3

(6, 3)

(1, 2)

(3, 6)

(2, 1)

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Solve the System of Equations using substitution

Use Teacher Example 2 for help.

(3, 6)

(9, 18)

(2, 4)

(9, 32)

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the System of Equations using substitution

Use Teacher Example 3 for help.


y = 4x + 1


3x + y = 1

(1,0)

(0,1)

(1,4)

(4,1)

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