Parallel and Perpendicular Intersecting Quiz

What is the relationship between two parallel lines?

• They intersect at a right angle

• They never intersect

• They converge at a single point

• They are always at a 45-degree angle to each other

If two lines are perpendicular, what is the measure of the angle formed at their intersection?

• 60 degrees

• 180 degrees

• 90 degrees

• 45 degrees

In a coordinate plane, if the slope of one line is 2, what is the slope of a line that is parallel to it?

• 3

• 0

• 2

• 1

If the slope of one line is -3, what is the slope of a line that is perpendicular to it?

• 3

• 0

• 1/3

• -1/3

What is the condition for two lines to be parallel in terms of their slopes?

• No slopes

• Perpendicular slopes

• Opposite slopes

• Equal slopes

What is the condition for two lines to be perpendicular in terms of their slopes?

• The product of the slopes of the two lines is 0.

• The sum of the slopes of the two lines is 1.

• The difference of the slopes of the two lines is 1.

• The product of the slopes of the two lines is -1.

If line A has a slope of 1/3, and line B has a slope of -3, are they parallel, perpendicular, or neither?

• intersecting

• congruent

• perpendicular

• parallel

If line D is perpendicular to line E, what is the slope of line D if line E has a slope of 0?

• The slope of line D is 0.

• The slope of line D is 1.

• The slope of line D is undefined.

• The slope of line D is -1.

What is the angle between two perpendicular lines?

• 45 degrees

• 30 degrees

• 90 degrees

• 180 degrees

What is the condition for two lines to be parallel if their slopes are m1 and m2?

• m1 = m2

• m1 * m2 = -1

• m1 * m2 = 1

• m1 + m2 = 0