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3x3 Systems

Authored by Rachel Bevan

Mathematics

9th - 12th Grade

CCSS covered

Used 8+ times

3x3 Systems
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Find the solution to the system.

(-2, -3, 3)

(-2, 3, 3)

(2, -3, 3)

Tags

CCSS.HSA.REI.C.8

CCSS.HSA.REI.C.9

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Find the solution to the system.

(4, 0, 2)

(-4, 0, -2)

(4, 0, -2)

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.C.8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mallory spent $320 on jeans, leggings, and shorts. The jeans were $55, leggings were $15, and the shorts were on sale for $20. She bought one less pair of shorts than leggings. If there were a total of 12 items, how many of each did she buy?

5 jeans, 4 leggings, and 3 shorts

3 jeans, 5 leggings, and 4 shorts

7 jeans, 3 leggings, and 2 shorts

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSA.CED.A.1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What if you are solving a system and your variables cancel out and you end up with a statement such as: 1=12? What conclusion can you make about the system?

the solution is 1

there is no solution

the solution is 12

infinite solutions

Tags

CCSS.8.EE.C.8B

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What if you are solving a system and the variables cancel out and you end up with a statement such as 3=3, what can you conclude about the system?

the solution is 3

there are no solutions

you can't conclude anything

there are infinite solutions

Tags

CCSS.8.EE.C.8B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the solution?

(1, -1)
(-1, 1)
(0, -2)
(2, 0)

Tags

CCSS.8.EE.C.8B

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How many solutions does this system have?

y = 2x + 1

y = 4x - 1

One Solution

No Solution

Infinite Solutions

Tags

CCSS.8.EE.C.8B

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