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Method for Solving Systems of Equations

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Method for Solving Systems of Equations
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first step in using the substitution method to solve a system of equations?

Solve one of the equations for one variable in terms of the other variable

Multiply both equations by a random number

Graph the equations on the same coordinate plane

Add both equations together

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When using the elimination method, what do you do if the coefficients of one of the variables are already the same?

Add the equations directly

Subtract the equations directly

Multiply the equations

Divide the equations

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first step in using the graphing method to solve a system of equations?

Graph each equation on the same coordinate plane

Solve for x first

Use substitution method

Plot the points on a scatter plot

Tags

CCSS.8.EE.C.8B

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the graphing method, how do you find the solution to the system of equations?

By using substitution method

By solving for x and y separately

By randomly picking a point on the graph

By graphing the equations on the same coordinate plane and finding the point of intersection.

Tags

CCSS.8.EE.C.8B

5.

MATH RESPONSE QUESTION

1 min • 1 pt

Media Image

What is the value of z in the solution of the system?

Mathematical Equivalence

ON

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which method would be best (quickest) for solving the system below:
x + y = 11
3x - 4y = -2

Substitution

Elimination

Graphing

None of these

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Substitution

Graphing

Elimination

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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