4.1-4.3 Test Review: Systems of Equaitons

How many solutions? What is the solution?

• 1 Solution (2,2)

• Infinitely Many Solutions

• No Solution

• 1 Solution (3,0)

How many solutions? What is the solution?

• 1 Solution (2,2)

• Infinitely Many Solutions

• No Solution

• 1 Solution (3,0)

How many solutions? What is the solution?

• 1 Solution (2,2)

• Infinitely Many Solutions

• No Solution

• 1 Solution (3,0)

Graph the system to find the solution:

y=3x -8

y=13-4x

• (3, 1)

• (1, -5)

• (3, 25)

• (-3, 25)

How many solutions does

x + 2y= -10

y= -1/2x +2

• 1 solution

• no solution

• many solutions

• 2 solutions

How many solutions does

2x -3y =6

y=2/3x - 2

• 1 solution

• no solution

• infinitely many solutions

• 2 solutions

Find the solution

x + 2 y =14

y= 3x -14

• (-6, 10)

• (10, 4)

• (6, 4)

• infinitely many solutions

Find the solution

5x +6y =-6

7x - 3y =-54

• (6, -8)

• infinitely many solution

• (-6, 4)

• no solution

Find the solution

4x-3y=17

2x-5y=5

• (5, 1)

• infinitely many solution

• (5, 6)

• (-5, -1)

Two pizzas and four sandwiches cost $62. Four pizzas and ten sandwiches cost $140. How much does each pizza and sandwhich cost?

• Cost of Pizza: $11

  Cost of sandwich: $10

• Cost of pizza: $8

  Cost of sandwich: $15

• Cost of pizza: $15

  Cost of sandwich: $8

• Cost of pizza: $21

  Cost of sandwich: $5