8th Grade Linear Functions

Front

What is the slope of the line represented by the equation y = -x?

Back

-1

Front

In the equation y = 14x, what is the constant of proportionality?

Back

14

Front

What is the constant of proportionality for the table where y = 9x?

Back

9

Front

Find the slope of the line represented by the equation y = (1/2)x.

Back

1/2

Front

Which company shows a greater rate of change if Water's Edge Rafts has a slope of 3 and Ryan's Rafts has a slope of 2?

Back

Water's Edge Rafts

Front

Define slope in the context of a linear function.

Back

Slope is the measure of the steepness of a line, calculated as the change in y divided by the change in x.

Front

What does a slope of 0 indicate about a line?

Back

A slope of 0 indicates that the line is horizontal.

Front

What does an undefined slope indicate about a line?

Back

An undefined slope indicates that the line is vertical.

Front

How do you calculate the slope between two points (x1, y1) and (x2, y2)?

Back

Slope = (y2 - y1) / (x2 - x1).

Front

What is the y-intercept in the equation y = mx + b?

Back

The y-intercept is the value of y when x = 0, represented by b.