System of Equations
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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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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