
Solving Simultaneous Equations
Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Practice Problem
•
Medium
+2
Standards-aligned
Sophia Harris
Used 7+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using the substitution method over elimination?
It is always faster.
It requires fewer calculations.
It is more accurate.
It can be quicker if a variable is already isolated.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving simultaneous equations using substitution?
Multiply the equations.
Add the equations together.
Rearrange one equation to isolate a variable.
Eliminate one variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After rearranging the first equation, what should be done next?
Solve for y.
Substitute the expression into the second equation.
Check the solution.
Graph the equations.
Tags
CCSS.7.EE.B.4A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of y in the first example after solving the equation?
1
2
4
3
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the value of x after determining y?
Substitute y back into the original equation.
Guess the value.
Use the elimination method.
Graph the solution.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, what is the first equation given?
3x + y = 7
3x - y = 7
10x + 3y = -2
10x - 3y = -2
Tags
CCSS.HSA.CED.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expression for y after rearranging the first equation in the second example?
y = -3x + 7
y = 7 - 3x
y = 3x - 7
y = 3x + 7
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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