Writing Equations for Parallel & Perpendicular Lines

Front

What are the characteristics of parallel lines in terms of their slopes?

Back

Parallel lines have the same slope.

Tags

CCSS.8.EE.B.5

Front

What is the relationship between the slopes of perpendicular lines?

Back

Perpendicular lines have slopes that are negative reciprocals of each other.

Tags

CCSS.8.EE.B.6

Front

Given the equations y = 2x + 3 and y = 2x - 5, how are these lines related?

Back

These lines are parallel.

Tags

CCSS.8.EE.C.8B

Front

How can you determine if two lines are neither parallel nor perpendicular?

Back

If the slopes of the lines are different and not negative reciprocals, they are neither parallel nor perpendicular.

Tags

CCSS.8.EE.B.6

Front

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

Back

The slope is 3/2.

Tags

CCSS.8.EE.B.5

Front

If one line has a slope of 4, what is the slope of a line that is perpendicular to it?

Back

The slope of the perpendicular line is -1/4.

Tags

CCSS.8.EE.B.6

Front

What does it mean for two lines to be parallel in a coordinate plane?

Back

It means they will never intersect and have the same steepness.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

How do you find the slope of a line given its equation in slope-intercept form?

Back

The slope is the coefficient of x in the equation y = mx + b.

Tags

CCSS.8.EE.B.5

Front

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

Back

The slope is -3/4.

Tags

CCSS.8.EE.B.5

Front

If two lines have slopes of 1/2 and -2, how are they related?

Back

They are neither parallel nor perpendicular.

Tags

CCSS.8.EE.B.6