PISA-VET launch_El Iza Mohamedou_19 March 2024.pptx
8.2 notes
1. 8.2 solve and graph two variable February 29, 2012
Solve for y.
1. 2 + y = 3y 1
2. 8y 13 = 11
3. y + 2 = 6
4
4. 7(y + 3) = 24
Bellwork
Objective: solve and graph two variable equations
HW pg. 408 #325 odds 1
2. 8.2 solve and graph two variable February 29, 2012
1. Function, there is one range value for each domain value.
2. Not a Function, 4 and 3 each go to two range values.
3. Not a Function, 6 goes to two values.
4. Not a Function, 3 goes to two values
5. Function, each domain goes to one range value
11. Function
12. Function
13. Not a Function
14. Not a Function
15. Function
16. Not a Function
17. Not a Function
18. Not a Function
19. Function
20. Function
21. Not a Function
22. Function
Page 403 # 1 5, 11 22 all
HW pg. 408 #325 odds 2
5. 8.2 solve and graph two variable February 29, 2012
The equation t = 21 0.01n models the normal low July temperature in
degrees Celsius at Mount Rushmore, South Dakota. In the equation, t is
the temperature at n meters above the base of the mountain. Find the
normal low July temperature at 300m above the base.
HW pg. 408 #325 odds 5
6. 8.2 solve and graph two variable February 29, 2012
An equation with two variables can have many solutions.
A linear equation is any equation whose graph is a line.
Graph y = (1/2)x + 3
HW pg. 408 #325 odds 6