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CA #3 Study Guide

Authored by Miranda King

Mathematics

9th - 12th Grade

CCSS covered

Used 1+ times

CA #3 Study Guide
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21 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve the system of equations by graphing.
y = -4x + 5
y =  3x - 16

(-3, -25)
(3,-7)
(11, 17)
(21, 47)

Tags

CCSS.8.EE.C.8B

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes. Which system of equations represents the situation? How long does it take to complete one hair cut?

3x + 2y = 315

2x + 4y = 450

It takes 45 minutes to complete one hair cut

3x + 2y = 450

2x + 4y = 315

It takes 90 minutes to complete one hair cut

2x + 2y = 315

3x + 4y = 450

It takes 4 minutes to complete one hair cut

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This system has _____ solutions

0
1
2
Infinitely many

Tags

CCSS.8.EE.C.8B

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

What is the solution?

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

Tags

CCSS.8.EE.C.8A

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Does the system have one, none or infinite solutions?
8x + 4y = 12
y = -2x + 3

(0,3)
(3,0)
No solution(parallel lines)
Infinitely many solutions

Tags

CCSS.8.EE.C.8B

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the system given:
3x - y = 7
2x + y = 3

(-1,2)
(5,4)
(4,5)
(2,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the best method to use?

2x − 3y = −1

y =x − 1

Graphing

Substitution because a variable is defined

Elimination because the equations are in standard form.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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