Graphs Lines Slope

^{What is the solution?} 

• 1

• -2

• (1, 2)

• (1, -1)

If a system of linear equations has infinitely many solutions, what does this mean about the two lines? 

• Intersecting lines

• Same line

• Parallel lines

What is a solution of a linear system?

• the slope of the line

• the y-intercept

• the point where the graphs intersect

• the rise over run

What is the solution to the linear system?

• (-8, -6)

• (-6, -8)

• (8, -6)

• No solution

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.

What is the slope of the equation?

y = -2x - 1

• 2

• -2

• -2x

• -1

Find the slope and y - intercept

• slope: 3 y-intercept: -1

• slope: -1 y-intercept: 3

• slope: 3x y-intercept: 1

• slope: -1 y-intercept: 3x

Find the slope of the line.

Hint: rise/run

• 1/2

• -1/2

• 2

• 0

How many solutions?

• One Solution

• No solution

• Infinitely Many Solutions

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

• No Solution

• Infinitely Many Solutions

• One Solution

• Two Solutions