Writing Equations from Tables and Graphs

What two pieces of information are needed to write the equation of a linear equation?

• Slope and x-intercept

• Y-intercept and x-intercept

• Slope and y-intercept

• Slope and point of origin

How do you find the slope from a table?

• By finding the x-intercept

• By finding the y-intercept

• By calculating the change in the y's over the change in the x's

• By calculating the change in the x's over the change in the y's

In the movie expenses example, what is the slope?

• $3.75

• $6.25

• $0.00

• $10.00

What does the y-intercept represent in the movie expenses example?

• The cost of the movie tickets

• The cost of one drink

• The cost of a large popcorn

• The total cost for two drinks

In the bakery recipe example, what is the slope?

• 1/2

• 2/3

• 3/4

• 4/3

What does the slope represent in the bakery recipe example?

• Cups of butter per cup of brown sugar

• Cups of brown sugar per cup of butter

• Cups of flour per cup of butter

• Cups of sugar per cup of flour

In the plane fuel consumption example, what is the slope?

• 5.2 gallons per mile

• All of the above

• 26 gallons per 5 miles

• 156 gallons per 30 miles

What does the y-intercept represent in the plane fuel consumption example?

• The fuel used for 156 miles

• The fuel used for 0 miles

• The fuel used for 30 miles

• The fuel used for 5 miles

In the bowling expenses example, what is the slope?

• $21 per game

• $9 per game

• $12 per game

• $4.5 per game

What does the y-intercept represent in the bowling expenses example?

• The cost of three games

• The cost of two games

• The cost of renting shoes

• The cost of one game