Understanding Slopes and Lines

What is the slope of a line if the change in y is 10 and the change in x is 2?

• 2

• 10

• 5

• 20

How would you describe a positive slope?

• A vertical line

• A line going downhill

• A horizontal line

• A line going uphill

What does an undefined slope look like?

• A line going downhill

• A line going uphill

• A vertical line

• A horizontal line

If a line passes through points (3, 4) and (7, 8), what is its slope?

• 2

• 0.5

• 1

• 4

What is the slope of a line that passes through points (0, 5) and (0, -3)?

• 0

• Undefined

• 1

• -1

In a real-world context, if sales increase from 50 to 100 over 5 years, what is the rate of change?

• 10

• 20

• 5

• 15

What is true about the slopes of parallel lines?

• They are undefined

• They are opposite

• They are equal

• They are zero

If a line has a slope of 3, what is the slope of a line perpendicular to it?

• 1/3

• 3

• -1/3

• -3

Which of the following points would lie on a line parallel to one passing through (2, 3) with a slope of 2?

• (3, 5)

• (4, 7)

• (5, 9)

• (6, 10)

What is the slope of a line perpendicular to one with a slope of -4/3?

• 3/4

• -3/4

• -4/3

• 4/3