System of Equations

Solve by elimination:

3x+7y=23

-3x-7y=-17

• No solution

• Infinite solutions

• (3, -3)

• (3, 3)

How many solutions are there in the system of equations?

• No Solution

• Infinitely Many Solutions

• One Solution

• Two Solutions

Determine how many solutions the system has. (Hint:  Both lines are graphed over each other)

• One Solution

• No solution

• Infinitely Many Solutions

• Can't be Determined

Which of the following is NOT a method to solve systems?

• Elimination

• Substitution

• Distribution

• Graphing

Determine how many solutions the system has.

• One Solution

• No Solutions

• Infinitely Many Solutions

• Can't be Determined

3x + 5y = 46

4x + 3y = 43 

x=?

y=?

• (7,5)

• (8,2)

• (-9,-2)

• (0,50)

Where do these lines intersect?

x=11+y

2x+y=19

• (10,-1)

• (-1,10)

• (3,-4)

• (6,7)

Solve by elimination: 

2x+9y= -7 

6x-3y= 9 

• (-1, -1) 

• (2,-1)

• (1,1)

• (1,-1)

Solve by elimination:

-9x-4y=-20

5x+4y=4

• (-4,4)

• (4,4)

• (4,-4)

• (-4,-4)

Solve by elimination:

4x-6y= -6

-2x-12y= -12

• (0,1) 

• (1,0)

• (1,1)

• (2,1)