Writing Equations from a Graph

Front

What is the slope in the equation y = -1/3x + 1?

Back

Slope: -1/3

Front

What is the y-intercept in the equation y = -1/3x + 1?

Back

y-intercept: 1

Front

Write the equation for the line in slope-intercept form given slope = 4 and y-intercept = 3.

Back

y = 4x + 3

Front

What is the equation of the line with slope -4 and y-intercept -4?

Back

y = -4x - 4

Front

What does the equation x = -2 represent on a graph?

Back

A vertical line at x = -2.

Front

What is the graph of the equation y = 3?

Back

A horizontal line at y = 3.

Front

Define slope in the context of a linear equation.

Back

Slope is the measure of the steepness of a line, calculated as the rise over run.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you find the y-intercept from a linear equation?

Back

Set x = 0 in the equation and solve for y.

Front

What does a slope of 0 indicate about a line?

Back

The line is horizontal.