Modeling and Solving Equations and Inequalities
Authored by Anthony Clark
Mathematics
7th Grade
CCSS covered
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10 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Which points are solutions to the system of inequalities? Select all that apply.
(0,0)
(-1,1)
(1,-1)
(0,-4)
(0,1)
Tags
CCSS.HSA.REI.D.12
2.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Which points are solutions to the system of inequalities? Select all that apply.
(-1,3)
(-3,1)
(0,4)
(4,0)
(0,2)
Tags
CCSS.HSA.REI.D.12
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Solve for x and y
2x − 3y = −1
y = x − 1
(-2,-3)
(0,-1)
(3,4)
(4,3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the proper way to set up the equation to begin solving?
y = 6x − 11
−2x − 3y = −7
-2(-11) -3y= -7
-2(6x-11) -3y = -7
-2x -3(11) = -7
-2x - 3(6x-11)= -7
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What variable do you eliminate?
4x + 8y = 20
−4x + 2y = −30
X because they have opposite signs
Y because they have opposite signs
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x and y
5x + 3y = 7
y = 4
(4,1)
(4,-1)
(1,4)
(-1,4)
Tags
CCSS.HSA.REI.C.9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system given:
3x - y = 7
2x + y = 3
(-1,2)
(5,4)
(4,5)
(2,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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