Solving System of Equations 3 var

Solve using substitution:

y = −3x + 5

5x − 4y = −3

• (0,5)

• No solution

• (2,-1)

• (1,2)

Solve this system of equations using substitution:

2x − 3y = −1

y = x − 1

• (-3,4)

• (3,4)

• (4,3)

• (-3, -4)

Solve using elimination:

−4x + 9y = 9

x − 3y = −6

• (5,-9)

• (-5,-9)

• No solution

• (9,5)

Solve this system by elimination:

−4x − 2y = 14

−10x + 7y = −25

• (9,0)

• (1,5)

• (-1,-5)

• (0,9)

When you graph the exact same equation twice,

• you will have no solution. 
• you will have one solution.
• you will have infinite solutions. 
• you will graph a giraffe. 

Steffen graphed two lines in order to find the solution to a given system of equations.
What is the solution?

• (-3,-8)
• (-8,-3)
• (3,-8)
• (8,3)

Solve by substitution:

−3x + 3y = 4

−x + y = 3

• Infinite number of solutions

• (1,4)

• (1,7)

• No solution

Solve the system using elimination:

−6x + 5y = 1

6x + 4y = −10

• (0,1)

• (1,1)

• (−1, −1)

• (0,0)

How many solutions will this system have? 

• No solution
• One Solution
• I Don't Know
• Infinitely Many Solutions

Solve by substitution:

−2x − y = −9

5x − 2y = 18

• (0,9)

• No solution

• (4,1)

• (1,4)