Solving Systems of Equations Through Inspection

Quiz
•
Mathematics
•
8th Grade
•
Hard
+1
Standards-aligned
Barbara White
FREE Resource
45 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
You can tell this system of equations has one solution because...
The y-intercepts are the same
The slopes are the same
The y-intercepts are different
The slopes are different
Tags
CCSS.8.EE.C.8B
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which system of equations has infinitely many solutions?
3y = –5x + 7
3x = –5y – 7
3y = x – 4
3x – 9y = –12
2x + y = 2
–4x – 2y = 4
2y = 3x + 6
4y = 6x + 12
Tags
CCSS.8.EE.C.8B
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which system of equations has no solution?
3y = 1 + x
y = –2x + 5
4x – 5y = 3
–3 = 4x – 5y
5x + 4y = 1
4x – 2y = 4
y = –3x + 4
y = (–3/4)x + 1
Tags
CCSS.8.EE.C.8B
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Each equation in a system of linear equations has the same slope. What are the possible solutions the system could have?
The system could have no solution or infinitely many solutions.
The system could have one solution or no solution.
The system could have one solution.
The system could have one solution or infinitely many solutions.
Tags
CCSS.8.EE.C.8A
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Suri makes $15 per hour and gets a weekly bonus of $25. Juan makes $14 per hour and gets a weekly bonus of $50. Is it possible for Suri and Juan to make the same amount of wages, y, by working the same number of hours, x, in one week?
Yes because the slopes of the equations are different so the system of equations will have one solution.
No because the slopes of the equations are the same so the system of equations will have no solution.
Yes because the slopes of the equations are the same so the system of equations will have no solution.
No because the slopes of the equations are different so the system of equations will have one solution.
Tags
CCSS.8.EE.C.8B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify each equation. Tell whether the equation has one, no, or infinite solutions.
3x - 8 = 3(x - 4) + 1
one
no solutions
infinite solutions
Tags
CCSS.8.EE.C.7A
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify each equation. Tell whether the equation has one, no, or infinite solutions.
3x - 7 = 3(x - 3) + 2
one
no solutions
infinite solutions
Tags
CCSS.8.EE.C.7A
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