Equations y = mx + b

Front

What does the 'm' represent in the equation y = mx + b?

Back

The 'm' represents the slope of the line.

Front

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

Back

The 'b' represents the y-intercept of the line.

Front

In the equation y = 4x - 5, what is the slope?

Back

4

Front

What type of line is represented by the equation y = 8?

Back

A horizontal line.

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined.

Front

If the slope is negative, what does that indicate about the line?

Back

The line decreases as it moves from left to right.

Front

If the slope is positive, what does that indicate about the line?

Back

The line increases as it moves from left to right.

Front

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

Back

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

Front

What is the slope of the line represented by the equation y = -3/2x + 1?

Back

-3/2