Systems of Equations Review

Starts with "s"

100

At least 2 equations to be solved at the same time is known as this.

What is a System of Equations?

300

The answer to a problem.

What is a solution?

500

The two methods that we learned so far for how to solve a System of Equations.

What is Solving by Substitution and by Graphing?

Combining like terms

100

3x + 4 + 5x

8x + 4

300

-3x + 2y - 3y

-3x - y

500

3x + 19 - 4x - 9

10 - x

Distributing

100

3(x+4) 

3x + 12

300

5(x - 1) + 6

5x + 1

500

-2(y + 4) - 3y

-5y - 8

Solving by Substitution

100

The solution to the system

4x - 3y = 18
x = 3

What is (3,-2)?

300

The solution to the system of equations:

y = 6x - 11
y = 1

What is (2, 1)?

500

The solution to the system

y = -3x + 5
5x - 4y = -3

What is (1, 2)?

Check Method

100

Is (2,4) the answer to 

4x - 3y = 18
x =2

No

300

Is (-2,2) the solution?

y-2x=6

y=x+4

Yes

500

Is (3, -2) the solution?

2x-3y=12

y=-x+1

Yes