Linear System
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
One brand of suntan lotion comes in a small size with x ounces of lotion and a regular size with y ounces of lotion. Given the equations below how can we eliminate the terms with x?
x+2y = 15
2x + y = 19.5
subtract the two equations from each other
multiply the second equation by -1 and add the two equations
multiply first equation by 2, multiply the second equation by 1 then add them
multiply the first equation by -2 then add the equations together
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Give the solution to the system.
(3,1)
(1,3)
(-1,3)
(1, -3)
Tags
CCSS.8.EE.C.8B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations.
x + 2y = -3
x - y = -12
(-9, 3)
(-7 ,5)
(3, 15)
(9, 6)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve:
-2x + 5y = -1
4x - 2y = -6
(-2, -1)
(2, 7)
(3, 1)
(-1, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to this system?
(-2, -2)
(2, -2)
(-2,2)
(2, 2)
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x and y:
y = 2x + 1
y = 4x - 1
(1,3)
(-1,-3)
(-1,3)
(3,1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a solution of a linear system?
the slope of the line
the y-intercept
the point where the systems intersect
the rise over tun
Tags
CCSS.8.EE.C.8B
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