4.2 WRITING A LINEAR EQUATION TO FIT DATAWARM-UP

Solve for the unknown in the following equations using the balancing method.

4.2 WRITING A LINEAR EQUATION TO FIT DATALAUNCH

0 1 2 3 4 5 6 7 8 90

2

4

6

8

10

12

14

line b

line a

Which line is a better “fit” for the data in this graph?Explain

4.2 WRITING A LINEAR EQUATION TO FIT DATAEXPLORE

BEAM STRENGTHHang your cup at the center of your spaghetti beam.Support he beam between the stacks of books so it overlaps each stack by about 1 inch. Put another book on each stack to hold the beam in place.Put pennies in the cup, one at a time, until the beam breaks.

4.2 WRITING A LINEAR EQUATION TO FIT DATAAPPLY

Burger Saturated fat

(g)

Total fat (g)

Burger King Bacon Double Cheeseburger 17 34

Burger King Original WHOPPER Sandwich w/ Cheese

18 49

Hardee’s 2/3 lb Double Thickburger 38 90

Hardee’s 2/3 lb Bacon Cheese Thickburger 40 96

Jack in the Box Bacon Ultimate Cheeseburger

29 70.5

Jack in the Box Jumbo Jack with Cheese 16 41.5

McDonald’s Big Mac 11 33

McDonald’s Quarter Pounder 8 21

Wendy’s Jr. Hamburger 3.5 9

Wendy’s Classic Single w/ Everything 7 19

Use your calculator to graph the following data.

Write an equation for a line that would fit your scatter plot.

According to your equation, how much total fat would be in a burger with no saturated fat?