Rate of Change from a Table or Graph

What is the rate of change?

• 60 mi/hr

• 60 hr/mi

• 1 mi/hr

• 180 mi/hr

Which rate of change matches the graph?

• Taylor can write 6 words per minute

• Taylor can write 25 words per minute

• Taylor can write 50 words per minute

• Taylor can write 150 words per minute

Identify the rate of change.

• k = 6 cookies/package

• k = 12 cookies/package

• k = 1/6 package/cookie

• k = 1/12 package/cookie

• none (not proportional)

What is the rate of change?

• 6 chocolates/people

• 6 people/chocolates

• 2 chocolates/people

• 1/2 people/chocolates

What is the rate of change?

• 15 songs/hr

• 2/15 songs/hr

• 7.5 songs/hr

• 2 songs/hr

What is the rate of change? Be careful... k=y/x

• 4 downloads/web visits

• 12 downloads/ web visits

• 3 downloads/web visits

• 1/3 downloads/web visits

Write an equation that represents the relationship between the weight(x) and the cost(y).

• y = 1/2 x

• y = 1/4 x

• y = 2x

• y = 4x

What is the rate of change for this graph? Be careful....k=y/x

• 4/3 dollars per pound

• 1 dollars per pound

• 4 dollars per pound

• 3/4 dollars per pound

Is the graph proportional?

• Yes

• No

What is the constant of proportionality?

• 5 biscuits/day

• 1/5 days/biscuit

• 10 biscuits/day

• 2 biscuits/day