1. Slot Work Complementary Angles = 90° 1) 2)
YIP: Supplementary Angles =180°
Complementary Angles = 90°
1) )
3) 1 and 2 are complementary. m1 = 2x + 7 and m2 = 4x – 19. Find the measure of each angle.
4) 3 and 4 are supplementary. m3 = 5x + 22 and m4 = 7x Find the measure of each
angle.

2. Table of Contents
Date Target Graph Linear Functions DAY2

3. Functions and Linear Equations
Lesson 4-6

4. Examples of linear functions
YIP
Examples of linear functions
Examples of not linear functions

5. Function A relationship where one thing depends on another.
In a function you start with an input number, perform an operation, and get an output number.
FUNCTION RULE
INPUT
OUTPUT

6. Function Table
You can organize the input numbers, output numbers, and function rule in a function table.
Lets Try an example

7. Foldable
LINEAR OR NOT????? That’s the question

8. Ali’s lawn mowing service

9. YIP: Example
Suppose Ali earns $5 each week cutting grass. Make a function table to show his total earnings after 4 weeks.
How much would he
make after 10 weeks?
Input
(# of weeks)
Rule:
y = 5x
Output
(total earnings) 1
5 • 1 5 2
5 • 2 10 3
5 • 3 15 4
5 • 4 20

10. YIP: Ali’s Graph
Output
Y-value
$ earned
Hours worked
input (x-value)

11. ORDERED PAIR ( x , y ) Words to Know
YIP: The domain or input represents the x-value and the range the y-value. Together they form an ordered pair.
ORDERED PAIR ( x , y )

12. foldable

13. Your Turn
Mr. Yack, hand out the in class assignment. 8th graders, make a function table and graph the equation. 1)
2) y = -3x

14. Homework