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Creating Equations and Systems

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Creating Equations and Systems
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does the x represent in this situation?
Manny’s Music Rental charges a fee of $40 plus $25 per month to rent a saxophone. Sid’s Saxophones charges $25 plus $30 per month to rent the same saxophone.
y = 25x + 40
y = 30x + 25

price of a saxophone

rental fee

total cost

number of months

Tags

CCSS.8.EE.C.8C

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determine if (4, 1) is a solution for the system of equations.
y = -x + 5
y = 2x - 7

yes

no

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

There are 50 donkeys and chickens on a farm. There are a total of 174 legs. Which system below can be used to figure out how many of each animal the farm has?

d + c = 174

4d + 2c = 50

d + c = 50

4d + 2c = 174

d + c = 50

2d + 4c = 174

d + c = 174

2d + 4c = 50

Tags

CCSS.8.EE.C.8C

4.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

Media Image

How many solutions will this system have? 

No solution

One Solution

I Don't Know

Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Riley charges a $10 fee just to show up, and then $8 a minute to play piano for events. What equation shows how much she charges for x minutes of piano playing?

10x+8=y

8x+10=y

10+x+8=y

10xy=8

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

There are 37 more cats c than dogs d at the shelter. If there are 78 cats at the shelter, which equation represents the relationship between the number of cats and dogs?

d+37=78

d-37=78

c+37=78

c-37=78

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The total cost, C, is 13 times the number of books bought, n.

What equation represents this?

c=13n

n=13c

c-n=13

n/13=c

Tags

CCSS.6.EE.C.9

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