Quick Check 4.1

Front

What is the value of y when x = 0?

Back

2

Front

Identify the y-intercept of the function.

Back

(0,-3)

Front

What is this type of function called?

Back

Absolute Value Function

Front

What is the value of y when x = -2?

Back

4

Front

How much does it cost to rent the Karaoke machine for 3 days?

Back

$100

Front

Define y-intercept.

Back

The y-intercept is the point where a line crosses the y-axis.

Front

What is an Absolute Value Function?

Back

A function that outputs the distance of a number from zero, always non-negative.

Front

What does it mean for a function to be linear?

Back

A linear function has a constant rate of change and can be graphed as a straight line.

Front

How do you find the y-intercept from a linear equation?

Back

Set x to 0 and solve for y.

Front

What is the general form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.