Equation of a straight line

Front

What is the slope of a line represented by the equation y = -4/3x + 2?

Back

m = -4/3

Front

What is the slope of a line represented by the equation y = 2/3x + 5?

Back

m = 2/3

Front

What is the slope of a line that is parallel to the line y = -4/3x + 2?

Back

m = -4/3

Front

What is the slope of a line that is perpendicular to the line y = 2/3x + 5?

Back

m = -3/2

Front

If two lines have the same slope, what can we say about them?

Back

They are parallel.

Front

What is the relationship between the slopes of two perpendicular lines?

Back

The product of their slopes is -1.

Front

What is the slope of the line represented by the equation y = -5/3x + 1?

Back

m = -5/3

Front

If a line has a slope of 3/5, what is the slope of a line that is perpendicular to it?

Back

m = -5/3

Front

What do we call the steepness of a line?

Back

Slope.

Front

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

Back

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