M8: Unit4 Practice Test

Front

Is this graph linear or non-linear?

Back

Non-linear

Front

What is the y intercept in the graph?

Back

(0,3)

Front

Does the table represent a function?

Back

Not a Function

Front

In y= -3x + 9, what is the value of y when x = 3?

Back

0

Front

Which plant was taller when Nara got the plants?

Back

They were the same height

Front

Define a linear function.

Back

A function that graphs to a straight line, represented by the equation y = mx + b.

Front

What is the slope in the equation y = -3x + 9?

Back

-3

Front

What does the y-intercept represent in a graph?

Back

The point where the graph intersects the y-axis.

Front

How can you determine if a relation is a function?

Back

Each input (x-value) must have exactly one output (y-value).

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.