Systems of Equations Desmos
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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9 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4x+8y=20
-4x+2y=-30
Which method would be easiest way to solve this system of equations?
graphing
linear programming
substitution
elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3x + 2y = 16
7x + y = 19
If I had to solve using substitution, which variable should I solve for?
y in the first equation
y in the second equation
x in the first equation
x in the second equation
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which method would be the easiest to use to solve this system of equations?
substitution
elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve using elimination:
6x - 4y = 28
2x + 2y = 6,
x = 1, y = 2
x = 2, y = 1
x = -4, y = 1
x = 4, y = -1
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You graph using Desmos.com and get the following graph. Which are vertices of the feasible region?
(0, 0), (0, 6),
(6, 2), (8, 0)
(0, 0), (6, 0),
(2, 6), (0, 8)
Tags
CCSS.HSA.REI.D.12
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations.
-2x+6y= 16
-4x-3y= 2
(2,2)
(-2, -2)
(-2,2)
(2,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations to find the value of z.
4
-4
2
-2
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