Graphing Homework

Is the slope positive or negative?

• Positive

• Negative

In y = mx + b, which variable represents the y-intercept?

• y

• m

• x

• b

The point where the graph crosses the y-axis.

• Slope

• x-intercept

• y-intercept

What is the slope of the equation:

y = -2x + 5

• 2

• -2

• 5

What is the y-intercept of the equation

y = 5x - 8

• 5

• -5

• 8

• -8

How do you calculate the slope using a graph?

• run over rise

• rise over run

• looking at the origin

• looking at the y-intercept

Find the slope of the graph

Find the slope of the graph

Which of the following equation has a slope of 2 and y-intercept of -1

• y= -2x + 1

• y = 2x + 1

• y = 2x - 1

What is the equation of the blue line?