Chapter 4 Classwork 2 - DELTA
Authored by Jacqueline Koziol
Mathematics
12th Grade
CCSS covered
Used 1+ times
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10 questions
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1.
REORDER QUESTION
15 mins • 5 pts
A student is solving this system by elimination.
Put the steps in order to find the solution to the system of equations.
−7x + y = -19
-2x + 3y = -19.
21x - 3y = 57
+ -2x + 3y = -19
-7x + y = -19
-7(2) + y = -19
-14 + y = -19
+14 +14
y = -5
19x = 38
19 19
x = 2
19x = 38
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
DROPDOWN QUESTION
15 mins • 5 pts
If this system of equations was being solved by elimination what would we multiply by to cancel the x terms out? (a)
16x - 10y = 10
-8x - 6y = 6
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
REORDER QUESTION
15 mins • 5 pts
Solve each system by elimination. Order the steps
-4x - 15y = -17
-x + 5y = -13
-4x - 15y = -17
+ 4x - 20y = 52
-35y = 35
-4x - 15y = -17
-4x - 15(-1) = -17
-4x + 15 = -17
-15 -15
-4x = -32
-4 -4
x = 8
-4x - 15y = -17
4x - 20y = 52
-35y = 35
-35 -35
y = -1
-4x - 15y = -17
-4(-x + 5y = -13)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
OPEN ENDED QUESTION
15 mins • 5 pts
Solve this system by elimination. Write your answer as a coordinate! (x, y)
-7x - 8y = 9
-4x + 9y =-22
Evaluate responses using AI:
OFF
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Solve the system using elimination.
-4x - 2y = 14
-10x + 7y = -25
(1, -5)
(-1, 5)
(1, 5)
(-1, -5)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
OPEN ENDED QUESTION
15 mins • 5 pts
Solve using elimination. Write your answer as a coordinate (x,y)
5x + 4y = −14
3x + 6y = 6
Evaluate responses using AI:
OFF
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
What would the first step to solving this system be if we were using elimination?
-14 = -20y - 7x
10y + 4 = 2x
Re-arranging the bottom equation so x and y were on the same side.
Multiply the bottom equation by 2
Divide the bottom equation by 2
Subtract the top equation from the bottom equation
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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