Lessons on Modeling Linear Relationships

​Modeling Linear Relationships

Slope, direct variation, proportional relationships​

Multiple Choice

What is the intersection of the x-axis and y-axis called?

• Abscissa

• Origin

• Ordinate

• Ordered Pair

Multiple Choice

Where is point E located?

• ( 2, 0 )

• ( 2 , 2 )

• ( 0 , 2 )

• ( 0 , 0 )

Multiple Choice

What is the name for a line that goes up and down?

• horizontal

• diagonal

• vertical

Multiple Choice

What is the name for a line that goes right and left?

• horizontal

• diagonal

• vertical

Multiple Choice

Categorize the slope of the line

• Positive

• Negative

• Zero

• Undefined

Multiple Choice

Categorize the slope of the line

• Positive

• Negative

• Zero

• Undefined

Multiple Choice

Find the slope

• -5/7
• 7/5
• -7/5
• 5/7

Multiple Choice

Find the slope of the line.

• -2
• 2
• -1
• 1

Multiple Choice

What is the slope formula?

• $$m\ =\ \frac{x_2+x_1}{y_2+y_1}$$

• $$m\ =\ \frac{x_2-x_1}{y_2-y_1}$$

• $$m\ =\ \frac{y_2+y_1}{x_2+x_1}$$

• $$m\ =\ \frac{y_2-y_1}{x_2-x_1}$$

Multiple Choice

What is the slope of a line that passes through the coordinates (4,1) and (8,3)?

• -2

• -1/2

• 1/2

• 2

Multiple Choice

What is the slope of a line that passes through the coordinates (2,3) and (4,6)?

• -3/2

• -2/3

• 2/3

• 3/2

Multiple Choice

What type of relationship is a direct variation.

• proportional

• non-proportional

Multiple Choice

Does the graph show a direct variation?

• Yes

• No

Multiple Choice

Does the given graph show a direct variation?

• Yes

• No

Thank you for your attention!

I am glad we are on this adventure together!​