Determine Slope and Y-Intercept from Multiple Representations

Find the slope of the following points.

• Undefined

• 0

Find the slope of the following points.

• -4

• 4

• 2

Dorothy loves to make cakes.  The following table shows how the number of eggs that she has left changes as she makes cakes.
What is the meaning of the y-intercept?

• She uses 5 eggs for every 2 cakes.

• She started with 47 eggs.

• She uses 47 eggs for every 0 cakes.

• She started with 5 eggs.

What does the slope represent in this situation?

• The sloth runs 1 feet in 3 minutes

• The sloth runs 3 feet in 1 minute

• The sloth runs fast

• The sloth runs 6 feet in 1 minute

The graph shows the height (cm) of a candle as it burns, what does the y-intercept mean?

• Candle starts at 9 cm.

• Candle start at 4.5 cm

• Candle starts at 0 cm.

• The candle ends at 5 cm

Find the slope

• 7/3

• 3/7

• -3/7

• -7/3

What is the slope in the picture?

• Positive

• Negative

• Zero

• Undefined

Alex has $150 in his bank account. Each week he is going to add $15 that he earns for babysitting his sister. The y intercept in the story is.

• -150

• 15

• -15

• 150

Identify the m and b in the following equation:
y = 2x + 5

• m = 5
  b = 2

• m = 2
  b = 5

• m = y
  b = x

• why are there letters in math?!

What is the rate of change (m) for the table?

• m = 90

• m = 18

• m = 1/9

• m = 9