Lines Slope

Determine the slope and y-intercept from the following equation:   y = 3/2x + 3

• slope: 5  

  y-intercept:  3

• slope: 3/2  

  y-intercept:  3

• slope:  4  

  y-intercept:  3/2

• slope: 1/5  

  y-intercept:  3

Write an equation for this relationship.

• y=1/5x

• y=1/2x

• y=2x

• y=5x

Which graph is non-proportional?

• A

• B

• C

• D

Slopes of parallel lines are...

• opposite reciprocals.

• opposites.

• the same.

• undefined.

How many solutions does this system of equations have?

• One Solution

• No solution

• Infinitely Many Solutions

• Two Solutions

Will the solution (-3, -7) make the following system of equations a true statement? 
y = 4x + 5
y = x – 4

• YES

• NO

Is this function linear or nonlinear?

• Linear

• Nonlinear

The slopes of parallel lines are...

• the same

• opposite

• always different

Slopes of perpendicular lines are...

• opposite (sign) reciprocals.

• opposites.

• identical.

• always 7.

A line is perpendicular to  
y = 2x - 7.
What is the slope of this line? 

• -2

• 1/2

• -1/2

• 2