Systems with Graphs
Solving by Substitution
How many Solutions?
Random
100

What is the solution?

y=-5x-4

y=2x+3

(-1,1)

100

Solve the systems of equations:

y= 4x + 4

y = 5x + 6

(-2,-4)

100

Solve the systems of equations using which ever method you prefer

14x + 2y = 26

-14x - 6y = -50

(1,6)

100

2+2

4

200

How many solutions are there?

y=x+1

y=x+2

No Solutions

200

Solve the systems of equations:

y= -5x - 10

y= -2x - 1

(-3,5)

200

Ms Carew bought 2 new shirts and a dress for $45. She then went back and bought another shirt and 4 dresses for $75. 

Solve systems of equations using which ever method. 

x=15

y=15

200

What is Mr. Vinger's favorite number between 1-30?

29

300

Solve Using Graphing:

y = 5/3x + 2

y = -3


(-3,-3)

300

Solve the systems of equations:

y= 6x + 4

y= 5x + 2

(-2,-8)

300

Zeke sells blueberries and grapes. Each pound of blueberries sells for $2.50 and each pound of grapes sells for $1.25. Zeke made $55 from selling a total of 33 pounds of blueberries and grapes.

b=11

b=22

300

Is the given point a solution to the system of equations? 

Point:  (-1,-3)

x + y2 = 8

3x - y = 0

Yes

400

How many solutions are there?

y=6/3x-3

y=1/2x-3

Infinitely Many Solutions

400

Solve the systems of equations:

y= x - 6

y= -2x + 9

(5,-1)

400

How many solutions do parallel lines have? 

No Solutions

400

What is Mr. Vinger's room number?

222

500

Solve the systems of linear equations by graphing:

(-4,-3)

500

Solve the systems of equations:

y= x - 9

y= -2x + 9

(6,-3)

500

How many solutions does the system have?

3y + 4x = 6

12y + 16x = 24

These are the same exact line, therefore they have

Infinite Solutions

500

How many questions are going to be on your quiz tomorrow?

10