Graphing Linear Functions

Front

What is the slope of the equation y=-2x-1?

Back

-2

Front

Identify the slope and y-intercept of the equation y = 1/2x - 1.

Back

slope: 1/2, y-intercept: -1

Front

Solve for y: y + 2 = 3x

Back

y = 3x - 2

Front

Which of these represents slope-intercept form? y - y1 = m(x-x1), Ax + By = C, y = mx + b

Back

y = mx + b

Front

When you graph a line using slope-intercept form, you plot the __________ first and then the __________.

Back

y-intercept; slope

Front

What does 'm' represent in the slope-intercept form y = mx + b?

Back

The slope of the line.

Front

What does 'b' represent in the slope-intercept form y = mx + b?

Back

The y-intercept of the line.

Front

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

Back

m = (y2 - y1) / (x2 - x1)

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined