Substitute and Solution

Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following systems of equations using substitution:
y = 3 - x
3y + x = 5
No solution
(1, 2)
(3, 0)
(2, 1)
Tags
CCSS.HSA.REI.C.6
CCSS.8.EE.C.8B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equations.
(-34, -17)
(8, 4)
(10, 20)
No solution
Infinite solutions
Tags
CCSS.HSA.REI.C.6
CCSS.8.EE.C.8B
3.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
Solve the system of equations.
(-6, 1)
(-12, -12)
(1, -6)
No solution
Infinite solutions
Tags
CCSS.8.EE.C.8B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve:
y=8x+1
y=6x+3
(1, 9)
(4, 14)
(0, 1)
(2, 4)
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?
2x + 3y = 4
y= 5x - 27
(5,-2)
(5, 2)
(2,3)
(3,2)
Tags
CCSS.HSA.REI.C.6
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which answer has a correct first step for this system:
The variable is already isolated, so we've already solved the system.
The variable is already isolated for y, so we substitute it in the first equation and solve for x
3x + 3(3x + 5) = 3
Free sha vaca doo
The variable is already isolated for y, so we substitute it in the second equation and solve for x
y = 3(3x + 3y) = 3
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve this system using substitution
y = 3x - 5
2x + 4y = -6
(1, -2)
(2, -2)
(1, 2)
Why have you done this?
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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