Parallel and Perpendicular Lines

Front

What is the slope of a line parallel to y = 2x - 7?

Back

2

Front

Determine if the following equations are parallel, perpendicular or neither: 5x-2y=10 & 2x+5y=15

Back

perpendicular

Front

What is the slope of a line parallel to the equation x-4y=8?

Back

1/4

Front

What slope is perpendicular to: m = 5/8?

Back

-8/5

Front

What is the equation of this line in slope-intercept form: 2x + y = 5?

Back

y = -2x + 5

Front

Define parallel lines.

Back

Lines that never intersect and have the same slope.

Front

Define perpendicular lines.

Back

Lines that intersect at a right angle (90 degrees) and have slopes that are negative reciprocals.

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

If two lines have slopes m1 and m2, when are they parallel?

Back

m1 = m2.