Parallel/Perpendicular Slope

Front

What is the slope of a line that is perpendicular to a line with a slope of 4/7?

Back

-7/4

Front

What is the y-intercept of the equation y = 5x + 8?

Back

(0, 8)

Front

If a line has a slope of 2 and the y-intercept is the origin, what are the slope and y-intercept?

Back

m = 2; b = (0,0)

Front

Calculate the slope of the line that passes through the points (1, -19) and (-2, -7).

Back

-4

Front

What is the slope of a line that is perpendicular to a line with a slope of 2/3?

Back

-3/2

Front

Define slope in the context of a linear equation.

Back

Slope is the ratio of the change in y to the change in x (rise over run).

Front

What is the formula to calculate the slope between two points (x1, y1) and (x2, y2)?

Back

(y2 - y1) / (x2 - x1)

Front

What does a slope of 0 indicate about a line?

Back

The line is horizontal.

Front

What does an undefined slope indicate about a line?

Back

The line is vertical.

Front

If two lines are perpendicular, what is the relationship between their slopes?

Back

The product of their slopes is -1.