1. Example 1: SANDWICH Total Fat (g) Total Calories Grilled Chicken 5 300
Hamburger 9
260
Cheeseburger 13
320
Quarter Pounder 21
420
Quarter Pounder with Cheese 30
530
Big Mac 31
560
Arch Sandwich Special
550
Arch Special with Bacon 34
590
Crispy Chicken 25
500
Fish Fillet 28
Grilled Chicken with Cheese 20
440

2. Slope:
Y-intercept:
Equation of Line:

3. Making Predictions
Once your line of “Best fit” is drawn on the calculator, it can be used to predict other values.
On the TI-83/84:
2nd Calc
1:Value
x= place in value
***If a sandwich had 32 grams of fat, what would be the predicted total calories?***

4. Ex. 2: Salary with a Bachelors and Age
Salary (in thousands) 22
$ 31 25
$ 35 28
$ 29.5
$ 36 31
$ 48 35
$ 52 39
$ 78 45
$ 55.5 49
$ 64 55
$ 85

5. Slope:
Y-intercept:
Equation of Line:
Salary of 60 year old with a bachelor degree:

6. Movie Cost V.Gross (millions)
TITLE
$ COST
U.S. GROSS
1. Titanic (1997)
$200
$600.8
2. Waterworld (1995)
$175
$88.25
3. Armageddon (1998)
$140
$201.6
4. Lethal Weapon 4 (1998)
$129.7
5. Godzilla (1998)
$125
$136
6. Dante's Peak (1997)
$116
$67.1
7. Star Wars I: Phantom Menace (1999)
$110
$431
8. Batman and Robin (1997)
$107
9. Speed 2 (1997)
$48
10. Tomorrow Never Dies (1997)
$125.3

7. Slope:
Y-intercept:
Equation of Line:
What would be the gross amount for a movie that cost $150 million?