Thinking with Mathematical Models - Slope & Linearity

What is the slope of a line?

• Its thickness.

• Its steepness.

• Its color.

• Its shape.

What is the slope-intercept form (used to graph a line)?

• y=mx+a

• y=m+b

• y=mb+x

• y=mx+b

Tags

CCSS.HSF.IF.C.7

Slope is represented by which letter?

• m

• b

• x

• y

The y-intercept is represented by which letter?

• b

• d

• f

• h

Slope is determined by counting from one point to another using

• run/rise

• left/right

• rise/run

• up/down

Find the slope of the line containing points (4,5) and (6,9).

• 4/2 = 2

• 2/4 = 1/2

• 4

• 1/8

Find the slope of a line containing the points (8,10) and (4,3). *Two negatives create one positive.

• 7

• -7

• 4/7

• -7-4 = 7/4

Find the slope of the line containing points (1,1) and (-1,-4).

• 2/5

• -5/-2 = 5/2

• 2

• -5

What is the slope of this line?

• 1

• 4/2 = 2/1

• 2/4 = 1/2

• -1/2

What is the slope of this line?

• 3/2

• 2/3

• 1/2

• -2/1