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Topic 4.3

Last updated about 5 years ago

5 questions

1

1

1

1

1

Question 1

1.

You want to solve the system

What should be your first step?

Subtract the equations

Quit school and join the circus

Use substitution

Graph the equations

Mulitply the bottom equation by -3

Add the equations

Question 2

2.

You want to solve the system

What should be your first step?

Graph the equations

Use substitution

Subtract the equations

Go pro in <insert sport here>

Add the equations

Question 3

3.

You want to solve the system

What should be your first step?

Add the equations

Multiply the upper equation by 3

Graph the equations

Use substitution

When will I ever need this in real life?

Subtract the equations

Multiply the lower equation by 5

Question 4

4.

You want to solve the system

What should be your first step?

Is the circus still in town?

Use substitution

Multiply the upper equation by 5 and the lower equation by 8

Graph the equations

Subtract the equations

Multiply the upper equation by 3 and the lower equation by -3

Add the equations

Question 5

5.

You're solving a system of equations by elimination. After you solve for one variable, what should you do next?

Check our answers.

Back substitute

Repeat the procedure to eliminate the other variable.

Graph the equations.

Celebrate because we're done.