slope intercept form

Front

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

Back

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

Front

How do you identify the slope from the equation y = 3/2x + 3?

Back

The slope is 3/2.

Front

What is the y-intercept in the equation y = 3/2x + 3?

Back

The y-intercept is (0, 3).

Front

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

Back

The slope (m) is calculated as m = (y2 - y1) / (x2 - x1).

Front

What is the slope of the line that passes through the points (10, -8) and (1, 12)?

Back

The slope is -20/9.

Front

If a plumber charges $50 for a house call plus $12 per hour, what is the equation representing this situation?

Back

The equation is y = 12x + 50.

Front

What does a positive slope indicate about a line?

Back

A positive slope indicates that the line rises as it moves from left to right.

Front

What does a negative slope indicate about a line?

Back

A negative slope indicates that the line falls as it moves from left to right.

Front

What is the slope of a horizontal line?

Back

The slope of a horizontal line is 0.

Front

What is the slope of a vertical line?

Back

The slope of a vertical line is undefined.