Linear Functions & Vocab

Front

In the expression 2xy + 3x - 4, "2xy," "3x," and "-4" are called...

Back

terms

Front

In the expression 2xy + 3x - 4, "2" and "3" are...

Back

coefficients

Front

In the expression 2xy + 3x - 4, "-4" is a...

Back

constant

Front

In the expression 2xy + 3x - 4, "x" and "y" are...

Back

variables

Front

In 2xy, what are "2," "x," and "y" called?

Back

factors

Front

Read "Δy" as...

Back

"delta y" or "change in y"

Front

"slope" is...

Back

Δy / Δx - change in y over change in x

Front

Slope > 1 indicates a line that is...

Back

more steep, going upward

Front

Slope < 0 indicates a line that is...

Back

Going downward as you move left to right.

Front

Slope between 0 and 1 indicates:

Back

the line will be almost flat but still going upward.