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Mooney Quick Quiz - Solving Systems by Elimination

Posljednje ažuriranje about 6 years ago

3 questions

You will solve ONE system of equations by elimination in 3 steps, outlined below. The work you do in items 1 and 2 can and should be used in the following steps to solve the system.

1

1

Pitanje 2

2.

Now that you have modified the first equation for elimination, the second step is to add the two equations together and solve for x. Enter your solution for x below.

1

Pitanje 3

3.

Finish solving the system by elimination. Enter your solution as an ordered pair (x,y).

Pitanje 1

1.

Which is a possible FIRST step to solve the system using elimination?

Add the equations together.

Solve for x.

Multiply the first equation by -2.

Substitute the x value into one of the original equations.