Finding Linear Intercepts and Zeros

Multiple Choice

Are all graphs linear?

• Yes.

• No.

Multiple Select

What makes a graph linear?

• All of the points form a straight line.

• Math does.

• y = mx + b

• A constant slope.

Multiple Choice

Why is a graph showing a car driving at a constant speed linear?

• Because the speed does not change.

• Trick question...it is not linear at all.

• There's not enough information.

Multiple Choice

An intercept is ...

• An axis

• The x-axis

• Where a graph crosses the y - axis.

• Where a graph crosses an axis.

Multiple Select

Which of the following coordinates is an x - intercept?

• (4, 4)

• (0, 4)

• (4, 0)

• (0, 0)

Multiple Choice

What is the x - intercept of the graph shown?

• 3

• (0, 3)

• (3, 3)

• (3, 0)

• (-3, 0)

Multiple Choice

What is the y - intercept of the graph shown?

• -3

• (0, -3)

• (3, 3)

• (3, 0)

• (-3, 0)

Multiple Select

Select all the statements below that describe the point (0, -2).

• It is below the x - axis.

• It is in quadrant 4.

• It is an x - intercept.

• It is a y - intercept.

Multiple Select

Select all the statements below that describe the point (-5, 2).

• It is below the x - axis.

• It is in quadrant 4.

• It is an x - intercept.

• It is a y - intercept.

• None of the other statements are true.

Multiple Choice

How many x - intercepts can a function have?

Select the single statement that best answers the question.

• Not more than one.

• More than one.

• Two

• 77

Multiple Choice

What is the x - intercept for y + 2x = 10?

• (10, 0)

• 5

• (5, 0)

• (0, 5)

Multiple Choice

What is the y - intercept for y + 2x = 10?

• (10, 0)

• (0, 10)

• 10

• (0, 5)

Poll

How confident do you feel that you know what intercepts are?

• Very confident.

• I think I know what intercepts are, but maybe don't know everything.

• I know a little, but some of the lesson is confusing.

• What are intercepts? I am lost.

Poll

How confident are you that you could find the intercepts from a graph?

• Easy as pie.

• Pretty sure.

• Maybe.

• What?

Poll

How confident are you that you could find the intercepts of an equation like 3x + 2y = 18?

• I got that, bring it!

• I know what to do, but need practice.

• I'm not sure what to do.

• I am totally lost.