Calculating the Y-Intercept

Finding slope from an equation

Finding Slope from an Equation

When an equation is written in Slope-Intercept Form, "m" or the number in front of "x" is your slope.

Multiple Choice

What is the slope of this equation?

y=3x+5

• 3

• 5

• -3

• -5

Multiple Choice

What is the slope of this equation?

y=-2/3x+15

• 2/3

• 15

• -2/3

• -15

Multiple Choice

What is the slope of this equation?

y=-42x+128

• 128

• 42

• -128

• -42

Multiple Choice

What is the slope of this equation?

y=-5/7x-36

• -36

• -5/7

• 36

• 5/7

Multiple Choice

What is the slope of this equation?

y=45x+135

• 135

• -45

• 135

• 45

Finding slope from a table

Finding Slope from a Table

When finding slope from a table, you need to find the change of y (rise) over the change of x (run).

Multiple Choice

What is the slope?

• 7

• 2

• 3

• -2

Multiple Choice

What is the slope?

• 3

• 5

• -4

• -3

Multiple Choice

What is the slope?

• 5.5

• 2.5

• 3

• 0.5

Multiple Choice

What is the slope?

• -5

• -5/3

• 5/3

• 5

Multiple Choice

What is the slope?

• 1/2

• 2

• -1/2

• -2

Finding Slope from an Graph

Finding Slope from a Graph

When finding Slope from a Graph, you need to find rise over run.

Multiple Choice

What is the slope of the graph?

• 1

• 2

• 1/2

• -1

Multiple Choice

What is the slope of the graph?

• -1/2

• 1/2

• -1

• 2

Multiple Choice

What is the slope of the graph?

• 3/2

• 2/3

• -3/2

• -2

Multiple Choice

What is the slope of the graph?

• 3

• 1

• 1/3

• -3

Multiple Choice

What is the slope of the graph?

• -1

• 1/2

• -1/2

• 2

Finding y-int from an equation

Finding Y-Int from an Equation

When an equation is written in Slope-Intercept Form, "b" or the number being added or subtracted is your y-intercept.

Multiple Choice

What is the y-intercept of this equation?

y=3x+5

• 3

• 5

• -3

• -5

Multiple Choice

What is the y-intercept of this equation?

y=-2/3x+15

• 2/3

• 15

• -2/3

• -15

Multiple Choice

What is the y-intercept of this equation?

y=-42x+128

• 128

• 42

• -128

• -42

Multiple Choice

What is the y-intercept of this equation?

y=-5/7x-36

• -36

• -5/7

• 36

• 5/7

Multiple Choice

What is the y-intercept of this equation?

y=45x+135

• 135

• -45

• -135

• 45

Finding y-int from a table

Finding Y-Int from a Table

When finding Y-Intercept from a table, you need to look for when x = 0.

Multiple Choice

What is the y-intercept?

• 7

• 2

• 3

• -2

Multiple Choice

What is the y-intercept?

• 3

• 5

• -4

• -3

Multiple Choice

What is the y-intercept?

• 0.5

• 5.5

• 2.5

• 3

Multiple Choice

What is the y-intercept?

• 2/5

• 4/5

• 1

• 6/5

Multiple Choice

What is the y-intercept?

• 0

• 4.5

• 0.25

• 4

Finding y-int from a graph

Finding Y-Int from a graph

When looking for Y-Intercept on a Graph, identify where your graph crosses the y-axis.

Multiple Choice

What is the y-intercept of the graph?

• 1

• 2

• 1/2

• -1

Multiple Choice

What is the y-intercept of the graph?

• -1/2

• 1/2

• -1

• 2

Multiple Choice

What is the y-intercept of the graph?

• 3/2

• 2/3

• -3/2

• -2

Multiple Choice

What is the y-intercept of the graph?

• 3

• 1

• 1/3

• -3

Multiple Choice

What is the y-intercept of the graph?

• -1

• 1/2

• -1/2

• 2