5.4.3 Vertical/Horizontal Lines & Proportionality

Multiple Choice

Which line is vertical?

• Line A

• Line B

• Line C

• Line D

Multiple Choice

Which line is horizontal?

• Line A

• Line B

• Line C

• Line D

Multiple Select

Which statement correctly describes horizontal and vertical lines?

Select all that apply.

• A.The slope of any horizontal line is undefined.

• A.The slope of any vertical line is undefined.

• A vertical line is the same distance from the y-axis at every point on the line.

• Horizontal lines are parallel to the x-axis.

Multiple Choice

The graph of a horizontal line passes through the points (-2,3) and (4,3).

What is the y-intercept of the line?

• (0, 0)

• (-2, 0)

• (0, 4)

• (0, 3)

Match

Match the graph with the corresponding equation

x = 1

x = -5

y = 4

y = -2

• x = 1

• x = -5

• y = 4

• y = -2

Categorize

Options (16)

The line runs from left to right.

The line is parallel to the x-axis.

The line runs from up to down.

The line is parallel to the y-axis.

The horizon is flat and extends to the sides.

The line can be drawn using a ruler horizontally.

The line appears straight when viewed from the front.

The line divides the space into top and bottom sections.

The line can be used to represent a baseline in graphs.

The line is often used in design to create balance.

The line extends from the top of the page to the bottom.

The line can be drawn using a ruler vertically.

The line divides the space into left and right sections.

The line is often used in architecture to represent height.

The line appears straight when viewed from the side.

The line can be used to represent a scale in graphs.

Which characteristics of a line would help you identify the line as horizontal or vertical?

Horizontal

Vertical

Match

Match each description with the correct equation of the line.

• The line passes through (1,1) and (1,4)

• A horizontal line with a y-intercept at (0,1)

• A line passes through (1,3) and (5,3)

• A vertical line with an x-intercept at (3,0)

x = 1

y = 1

y = 3

x = 3

• x = 1

• y = 1

• y = 3

• x = 3

Open Ended

Exit Ticket: How does the equation of a horizontal line compare to the equation for slope-intercept form?

Multiple Choice

What is the constant of proportionality for the values in the table shown?

• 1/2

• 2/5

• 5/2

• 2

Multiple Select

Which statements are true based on the table and graph

• Point (2,6) means it takes 2 hours to hike 6 miles.

• Point (4,12) means it takes 4 hours to hike 12 miles.

• Point (12,4) means it takes 4 hours to hike 12 miles.

• Point (6,2) means it takes 2 hours to hike 6 miles.

Hotspot

Which graphs show a proportional relationship?

Multiple Choice

What is the constant of proportionality, k, and what does k represent in the graph?

• K = 1.5, after 1.5 minutes, 1 sandwich is made

• K = 1, after 1 minute, 1.5 sandwiches are made

• K = 1, after 1.5 minutes, 1 sandwich is made

• K = 1.5, after 1 minute, 1.5 sandwiches are made

Math Response

What is the slope/constant of proportionality?

Type answer here

Correct Answer: 3.5

Deg^°

Rad

Math Response

What is the direct variation equation?

Type answer here

Correct Answer: y=3.5x

Deg^°

Rad

Open Ended

How do you feel after today's lesson? Did you understand it?

Hotspot

Exit Ticket: Which graph represents the table?