# Lesson Worksheet: Equations of Parallel and Perpendicular Lines Mathematics • 11th Grade

In this worksheet, we will practice writing the equation of a line parallel or perpendicular to another line.

Q1:

If lines and are perpendicular, which of the following products equals ?

• A and
• B and
• C and
• D and

Q2:

Determine whether the lines and are parallel, perpendicular, or neither.

• Aperpendicular
• Bparallel
• Cneither

Q3:

Which of the following lines is perpendicular to the line ?

• A
• B
• C
• D
• E

Q4:

Which axis is the straight line parallel to?

• A-axis
• B-axis

Q5:

Find, in slope–intercept form, the equation of the straight line passing through the point and parallel to the straight line passing through the two points and .

• A
• B
• C
• D
• E

Q6:

Find, in slope-intercept form, the equation of the line perpendicular to that passes through the point .

• A
• B
• C
• D
• E

Q7:

Determine, in slope-intercept form, the equation of the line passing through perpendicular to the line passing through and .

• A
• B
• C
• D
• E

Q8:

The straight lines and are parallel. What is the value of ?

Q9:

If the two straight lines and are perpendicular, find the value of .

Q10:

Describe the relation between the straight lines and .

• AThey are coincident.
• BThey are parallel.
• CThey are perpendicular.