Finding X and Y intercepts

Front

What is the y-intercept of a function?

Back

The y-intercept is the point where the graph of a function crosses the y-axis, occurring when x = 0.

Front

What is the x-intercept of a function?

Back

The x-intercept is the point where the graph of a function crosses the x-axis, occurring when y = 0.

Front

True or false: The y-intercept of a function ALWAYS occurs where y is equal to zero.

Back

False

Front

Find the y-intercept of the equation: 3x + y = 5.

Back

(0, 5)

Front

Find the y-intercept of the equation: 5x + y = 5.

Back

(0, 5)

Front

Which ordered pair could represent a y-intercept on a graph? (6, 0), (0, 4), (-1, 3), (2, 0)

Back

(0, 4)

Front

True or false: The x-intercept of a function ALWAYS occurs where y is equal to zero.

Back

True

Front

How do you find the y-intercept from an equation in standard form?

Back

Set x = 0 and solve for y.

Front

How do you find the x-intercept from an equation in standard form?

Back

Set y = 0 and solve for x.

Front

What is the significance of the y-intercept in a linear function?

Back

It represents the value of the function when the input (x) is zero.