Three Methods for Solving Linear Systems
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Anthony Clark
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve by elimination:
2x + 9y = -7
6x - 3y = 9
(-1, -1)
(2,-1)
(1,1)
(1,-1)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using the elimination method, determine the solution to the system below.
x = 10, y = -1
x = -1, y = 10
x = 3, y = -4
x = 6, y = 7
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a system of linear equations has one solution, what does this mean about the two lines?
Parallel lines
the same line
Intersecting lines
Tags
CCSS.8.EE.C.8A
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The first step in solving using the substitution method is __________.
get x by itself
get y by itself
get either variable by itself
add the equations together
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the substitution method used for in solving a system of equations?
To solve a system of equations
To write a novel
To calculate the area of a circle
To bake a cake
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the elimination method, what operation is used to eliminate one of the variables?
Multiplication
Addition or subtraction
Division
Exponentiation
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the steps involved in solving a system of equations using the elimination method?
Identifying the variable to eliminate, multiplying the equations by appropriate constants, and adding or subtracting the equations to eliminate the variable.
Dividing the equations by random numbers
Ignoring one of the equations
Solving for the variable with no elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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