Linear Equations Graphs Review

Front

In the equation y=mx+b, what does the m represent?

Back

Slope

Front

When all the solutions to a linear equation are placed on a coordinate plane, the graph looks like a ________________?

Back

Line

Front

Write the equation of the line given a slope of 1/3 and a y-intercept of -2.

Back

y = 1/3x - 2

Front

What type of slope does the graph have if it is horizontal?

Back

Zero

Front

Describe the graph of a line with a positive slope.

Back

Increasing

Front

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

Back

The point where the line crosses the y-axis.

Front

What is the slope of a line that goes down from left to right?

Back

Negative

Front

If a line is vertical, what is the slope?

Back

Undefined

Front

What is the slope of a horizontal line?

Back

Zero

Front

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

Back

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