y-intercept intro

y-intercept intro

The coordinate plane:

The intersection of a horizontal number line (x-axis) and a vertical number line (y-axis)

y-intercept:

Where the line crosses the y-axis (the vertical number line)

In this graph, y-intercept = 4

Multiple Choice

What is the y-intercept?

• 8

• 6

• 10

Multiple Choice

What is the y-intercept?

• 0

• 180

• 5

Multiple Choice

What is the y-intercept?

• 1

• 3

• -3

Poll

Do you think two different lines could have the same slope?

• Yes

• No