Slope and Interpreting Graphs

Which one of these situations could not match this graph?

• Brett paid $20 to visit his dermatologist and his insurance paid $30.

• Dee Dee went to the eye doctor to get new contacts. She paid $20 for the visit and $30 for new contacts. Her insurance paid $73.

• Connor went to go get his physical done and Connor paid $60 and his insurance paid $90.

• A patient will never pay over $90, and the insurance will never pay more than $120.

What is the slope of this line and what is it representing?

• 80; they are driving 80 mi every 1 hour

• 20; they are driving 20 mi every 1 hour

• 40; they are driving 40 mi every 1 hour

• 160; they are driving 160 mi every 1 hour

What is the slope representing in this graph?

• They make $5 for every candle they sell

• They make $0.20 for every candle they sell

• They make $1 for every candle they sell

• They make $2.50 for every candle they sell

What is the y-intercept showing us?

• We have used no paint

• We will use 5 gallons of blue paint for 3 gallons of yellow paint

• We start off with 5 gallons of blue paint

• We start off with 3 gallons of yellow paint

True/False: The point (4 , 2) means that 4 cookies were purchased for $2.

• True

• False

What does the point (0,0) represent in context of the situation?

• No cookies were sold.

• No money is made selling cookies.

• No money is made when selling two cookies.

• No cookies were sold and no money was made.

Mr. Diaz changed his shower head to conserve water and energy. The table shows the relationship between the amount of flow and the duration of the water flow.

Which statement BEST describes the rate of water flow?

• 5 gallons per minute

• 2.1 gallons per minute

• 2.5 gallons per minute

• 3.0 gallons per minute

What does the y-intercept represent?

• In 1 year a fir tree's diameter is 12 in.

• In 10 years a fir tree's diameter is 14 in.

• In 0 years a fir tree's diameter is 10 in.

What type of association does this graph have?

• positive 

• negative

• none

• all of the above

What type of association does this graph have?

• positive

• negative

• none

• all of the above