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System of Equations

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

System of Equations
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14 questions

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1.

DROPDOWN QUESTION

1 min • 1 pt

-1

2

1

No solution

Infinite many solutions

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

yes

no

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

yes

no

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(0,3)

(0,-3)

(3,0)

(-3,0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Some students want to order shirts with their school logo. One company charges $9.65 per shirt plus a setup fee of $43. Another company charges $8.40 per shirt plus a $58 fee. Which equation represents the number of shirts when both companies charge the same amount?

y = 9.65 + x
y = 8.40 + x

y = 9.65x + 43
y = 8.40x + 58

y =9.65x
y = 8.40x

y = 9.65x - 43
y = 8.40x - 58

Tags

CCSS.8.EE.C.8C

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

On Monday Mr. Beignet bought 10 coffees and 5 doughnuts for his office at the cost of $16.50. On Tuesday he bought 5 cups of coffee and 10 doughnuts for a total of $14.25. Which equations could be used to determine the cost of each item?

10c + 5d = 14.25

5c + 10d = 16.50

10c + 5d = 16.50

5c + 10d = 14.25

c + d = 10

5c + 10d = 16.50

c + d = 5

5c + 10d = 16.50

Tags

CCSS.8.EE.C.8C

7.

MULTIPLE CHOICE QUESTION

1 min • 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.  After solving the system below, Alexandra gets a solution of (45,90) 3x + 2y = 315 2x + 4y = 450 What does the solution (45,90) mean?

Hair dyes take Alexandra 45 minutes & haircuts take 90 minutes.

Haircuts take Alexandra 45 minutes & hair dyes take 90 minutes.

Haircuts cost $45 & hair dyes cost $90.

Hair dyes cost $45 & haircuts cost $90.

Tags

CCSS.8.EE.C.8C

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