U4L4 X and Y Intercepts

U4L4 X and Y Intercepts

What is an intercept?

• x-intercepts are where the line crosses the x-axis

• y-intercepts are where the line crosses the y-axis

Multiple Choice

Is the point (3, 0) an x-intercept, a y-intercept, both, or neither?

• x-intercept

• y-intercept

• both

• neither

Multiple Choice

Is the point (0, -5) an x-intercept, a y-intercept, both or neither?

• x-intercept

• y-intercept

• both

• neither

Multiple Choice

Is the point (5, 5) an x-intercept, a y-intercept, both or neither?

• x-intercept

• y-intercept

• both

• neither

Multiple Choice

What is the point (0, 0)?

• x-intercept

• y-intercept

• both

• neither

Finding Intercepts Algebraically

Plug in zero for the other coordinate

Finding Intercepts Algebraically

Plug in zero for the other coordinate

Open Ended

Find the x- and y-intercepts for the equation:

 $3x-2y=12$  

Open Ended

Find the x- and y-intercepts for the following equation:

 $y=-3x+27$