Writing Equations Perpendicular

Front

What is the slope of a line perpendicular to y = mx + b?

Back

The slope of a line perpendicular to y = mx + b is -1/m.

Tags

CCSS.8.EE.B.6

Front

Write the equation of a line perpendicular to y = 3x + 2 that passes through the point (1, 4).

Back

y - 4 = -1/3(x - 1)

Front

What are the slopes of two perpendicular lines?

Back

The slopes of two perpendicular lines are opposite (sign) reciprocals.

Tags

CCSS.8.EE.B.6

Front

Determine if the lines y = 2x + 1 and y = -1/2x - 3 are perpendicular.

Back

YES

Tags

CCSS.8.EE.B.6

Front

Write an equation for a line perpendicular to y = -4x + 5 through the point (2, 1).

Back

y - 1 = 1/4(x - 2)

Front

What is the slope of a line perpendicular to y = -7x + 3?

Back

1/7

Tags

CCSS.8.EE.B.6

Front

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

Back

-1/5

Tags

CCSS.8.EE.B.6

Front

Write the equation of a line perpendicular to y = 1/3x + 2 that passes through the point (0, 0).

Back

y = -3x

Front

Are the lines y = 5x + 1 and y = -1/5x + 4 perpendicular?

Back

YES

Tags

CCSS.8.EE.B.6

Front

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

Back

They are negative reciprocals of each other.

Tags

CCSS.8.EE.B.6