Systems Substitution First Step
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Anthony Clark
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the best method do you use?
x = 6y − 11
−2x − 3y = −7
Graphing, because they are both in slope-intercept form
Substitution because a variable is isolated (solved for)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the first step in solving a system by Substitution?
Make sure both equations are in standard form.
Make sure at least one equation is solved for one variable.
Make sure both equations are in slope-intercept form.
Make sure both equations can be solved.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to the following system:
y = 5x
3x + y = 24
(15, 3)
(3, 5)
(3, 15)
(5, 3)
Tags
CCSS.HSA.REI.C.7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the solution to the following system?
x = 4y
x - 4y = 0
(0, 0)
no solutions
infinite solutions
(4, 0)
Tags
CCSS.8.EE.C.8B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = 5x + 1
y = 3x + 13
(6, 31)
(31, 6)
(4, 21)
(2, 11)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
y = 3x + 2
y - 3x = 2
no solution
infinite solutions
(0 , 0)
(2 , 2)
Tags
CCSS.8.EE.C.8B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve this system of equations.
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
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