Mixed Review #2

Solve this system of equations by graphing.

y = 1/2x + 2

y = -3x + 9

• (2, 3)

• (-2, -3)

• (3, 2)

• (-3, 2)

What is the solution to this system?

• (1, -1)
• (-1, 1)
• (0, -2)
• (2, 0)

How many solutions will this system have? 

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

Solve the system by graphing:
y = 6x - 4
y = -x + 3

• (1, 2)
• (2, 1)
• (4, 5)
• (2, 4)

What is the solution to the system?

• (3, -1)
• (2, -6)
• No Solution 
• (6, -2)

Graph both equations. What point do they intersect at?
y = x + 3
y = -x - 1

• (1, 3)
• (-1, 0)
• (-2, 1)
• (3, -1)

What is the solution to this system?

• One Solution
• No solution
• Infinitely Many Solutions

Parallel Lines never intersect because...

• they have the same slopes. 
• they have the same y-intercept.
• they have different slopes.
• they have different y-intercepts. 

Solve the following system by graphing.  What is the solution?

• (3, -1)
• (-1, -3)
• (-1, -1)
• (-1, 3)

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)