GEOM_SD_09.29 & 10.07_G.2B

Open Ended

Which method did you use to find the slope?

Multiple Choice

Which formula is used to verify if two lines are parallel or perpendicular?

• Slope formula

• Distance formula

• Midpoint formula

• Area formula

Open Ended

How can we use slope to verify relationships between lines?

Multiple Select

According to the lesson agenda, which of the following are uses of slopes?

• To verify polygon properties

• To determine if lines are parallel or perpendicular

• To find the midpoint of a segment

• To review how to find the slope of a line

Multiple Choice

What happens to the slope when the denominator (run) is zero?

• The slope is undefined

• The slope is zero

• The slope is positive

• The slope is negative

Multiple Choice

Which of the following describes a zero slope?

• A horizontal line

• A vertical line

• A line with a positive slope

• A line with a negative slope

Open Ended

Explain how you can determine if two lines are parallel or not by looking at their slopes.

Multiple Choice

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

• They are equal

• They are negative reciprocals

• Their product is -1

• They are both zero

Multiple Choice

Which of the following pairs of slopes would indicate that two lines are perpendicular?

• 2/3 and -3/2

• 1/2 and 1/2

• 1/3 and 1/3

• 4/5 and 4/5

Multiple Select

Select all statements that are true about perpendicular lines.

• Their slopes are negative reciprocals.

• Their product of slopes is -1.

• Any horizontal and vertical line are perpendicular.

• Their slopes are always equal.

Multiple Choice

Given two lines with slopes 1/2 and 1/3, what can you conclude about their relationship?

• They are parallel

• They are perpendicular

• They are neither parallel nor perpendicular

• They are the same line

Open Ended

Explain how you can determine if two lines are perpendicular using their slopes.

Multiple Choice

Given a line with a slope of -4/7, what is the slope of a line perpendicular to it?

• 7/4

• 4/7

• -7/4

• -4/7

Multiple Choice

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

• Their slopes are negative reciprocals of each other.

• Their slopes are equal.

• Their slopes are both positive.

• Their slopes are both negative.

Multiple Select

Which of the following statements are true about horizontal and vertical lines?

• Horizontal lines have zero slopes.

• Vertical lines have undefined slopes.

• Any pair of horizontal and vertical lines are perpendicular to each other.

• Horizontal lines have positive slopes.

Open Ended

Describe the steps to find the slope of a line passing through two points.

Open Ended

How confident do you feel about determining the slope of a line using coordinate points after this lesson? What would you like to review or practice more?

Multiple Choice

What is a common misconception students may have when learning about the slopes of perpendicular lines?

• They confuse negative reciprocals with simply negative numbers.

• They always think perpendicular lines have the same slope.

• They believe slopes of perpendicular lines are always positive.

• They think the slope formula is not needed.