Systems of Equations

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

What is the solution?

• (6, 3)
• (3, 6)
• (-6, 3)
• No solution

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. 

How many solutions?

• One Solution
• No solution
• Infinitely Many Solutions

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

What is the solution?

• One Solution
• No solution
• Infinitely Many Solutions

What is the solution?

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

What is the Solution to this system?

• (2,-2)

• (-2,2)

• All Real Numbers

• No Solution

Convert the standard form equation into slope-intercept form.

5x + y = -5

• y = -5x - 5

• y = ⅕x - 5

• x = ⅕

• y = 27, 239, 430