Systems of Equations Quiz 1 Review

Which of the following is a solution to the equation y = 2/3x - 5

• (-3, 4)

• (0,-2)

• (6,-1)

• (2,-4)

When you graph a system of equations and the graph shows parallel lines, what does this mean?

• The system of equations has one solution

• The system of equations has no solution

• The system of equations has infinitely many solutions

• I have no idea

What is true about a graph of a system of equations that has infinitely many solutions?

• The lines will have the same slope but different y-intercepts

• The lines will have different slopes but the same y-intercepts

• The lines will have different slopes but the same y-intercepts

• The lines will have the same slopes and the same y-intercepts

What is the solution for the pictured graph?

• (1,-3)

• (-1,0)

• (5,0)

• (0,-4)

Which equation is the correct equation for the pictured graph?

• y = 4/6x + 4

• y = -1/5x + 4

• y = 3/4x + 2

• y = 3x - 6

Solve this system of equations by substitution:

3x - 8y = 24

y = x - 8

• (-2,-5)

• Infinte Solutions

• (4,2)

• (8,0)

Solve this system of equations by substitution:

x + y = 75

10x + y = 48

• No Solution

• (3,-78)

• (10,88)

• (5,-21)

Solve this system of equations by substitution:

6x + 2y = 1

y = -3x + 3

• Infinite Solutions

• (-4,2)

• No Solution

• (0,5)

Solve this system of equations by substitution:

y = x - 5

5x + 2y = -3

• No Solution

• (2,3)

• Infinite Solutions

• (1,-4)

Solve this system of equations by substitution:

y = 1/2x + 4

-2x + 4y = 16

• (4,11)

• Infinte Solutions

• No Solution

• (6,-8)