Solving Systems of Equations Choose the Best Method
9th Grade
•12 Qs
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Solving Systems of Equations Choose the Best Method
Quiz
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Erin is 3 years younger than twice Alex's age. Their ages combined are 33 years. How old are Alex and Erin. If x=Erin's age and y=Alex's age, choose the system that matches the situation.
x + y = 33
y = 2x - 3
x + y = 33
x = 2y - 3
x + y = 33
x = 3 - 2y
x + y = 3
x = 33 - 2y
Tags
CCSS.HSA.CED.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When using any of the 3 methods to solve a system of linear equations the resulting solution is the same no matter which method is used.
True; using any method will result in the correct solution.
False; the solution varies because the solution depends on which method is used.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify which method for solving systems is being described by this fact:
The intersection point of the two lines is an ordered pair (x, y) and determines the value of the solution to the system of equations.
Graphing
Substitution
Elimination
Tags
CCSS.8.EE.C.8B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify which method for solving systems is being described by this fact:
If one equation is isolated like y = 2x or x = 7 - 4y then this method should be used.
Graphing
Substitution
Elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify which method for solving systems is being described by this fact: Equations must have like terms "stacked" up vertically, usually written in standard form.
Graphing
Substitution
Elimination
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the solution to a system of equations is the point (3, 5.25), which method of solving the system would be the WORST choice?
Graphing
Substitution
Elimination
All Methods Would Be Good Choices
Tags
CCSS.8.EE.C.8B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which variable would be the EASIEST to isolate for the substitution method in the system?
X in the first equation
Y in the first equation
X in the second equation
Y in the second equation
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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