Linear Graphs Review

Front

The axis that runs horizontally on a coordinate plane is called the...

Back

x-axis

Front

What is the slope of a line that is perfectly vertical?

Back

Undefined

Front

In the equation of a line (y = mx + b), which variable represents the slope?

Back

m

Front

The axis that runs vertically on a coordinate plane is called the...

Back

y-axis

Front

Does a line that goes from the bottom left to the top right have a positive or negative slope?

Back

Positive

Front

What is the slope of a horizontal line?

Back

Zero

Front

In the slope-intercept form of a line (y = mx + b), what does 'b' represent?

Back

The y-intercept

Front

If a line has a slope of -3, how does it behave as it moves from left to right?

Back

It decreases.

Front

What is the formula to calculate the slope between two points (x1, y1) and (x2, y2)?

Back

(y2 - y1) / (x2 - x1)

Front

What does it mean if a line has a slope of 0?

Back

The line is horizontal.