Lines Slopes Graphs

Find the slope and y - intercept

y = -1 + 3x

• slope: 3 y-intercept: -1

• slope: -1 y-intercept: 3

• slope: 3x y-intercept: 1

• slope: -1 y-intercept: 3x

How many solutions?

• One Solution

• No solution

• Infinitely Many Solutions

Why will these graphs never cross?

• They have the same y-intercept.

• They have the same slope.

• They are both lines.

• They are both positive slopes.

How many solutions?

• 1 Solution

• 2 Solutions

• No solutions

• Infinite solutions

What is the y-intercept in the equation

y= -2x

• -2

• -2x

• 0

• 1

What is the number of solutions to the system of equations?

• No Solution

• Infinitely Many Solutions

• One Solution

• Two Solutions

How many solutions will this system have?

• One

• Two

• No Solution

• Infinitely Many Solutions

• 1 solution

• 2 Solutions

• No Solution

• Infinite Solutions

How many solutions?

• 1 solution

• 2 solutions

• No solutions

• Infinite Solutions

Why will this system have infinite solutions?

• The equations are both negative.

• The equations are the same.

• They have the same y-intercept but not the same slope.

• They have the same slope but not the same y-intercept.