1. Do now Homework: Lesson check 2-5 page 112
Warm-up: Add these words to your vocabulary section of your notebook
5. Literal Equation: an equation that involves two or more variables
6. Formula: an equation that states a relationship among quantities

2. Homework questions?

3. Quiz review
6𝑥−4=4𝑥+16
2 𝑥−3 =4(𝑥−5)

4. Quiz review
5𝑔+2 −2𝑔=6+2𝑔
4 3𝑚+4 =2(6𝑚+8)

5. Quiz review
− 3𝑧+4 =6𝑧−3(3𝑧+2)

6. Quiz
Time!

7. 2-5 Literal equations and formulas

8. Table of contents 1 Page # topic date
? Solving One-Step Equations 2/11/15
? 2-2 Solving Two-Step Equations 2/12/15
? 2-3 Solving Multi-Step Equations 2/17/15
? Solving Equations with 2/18/15
Variables on Both Sides
? 2-5 Literal Equations and Formulas 2/19/15 1

10. The equation 10x + 5y = 80, where x is the number of pizzas and y is the number of sandwiches, models the pizza problem we just looked it. How many sandwiches can you buy if you buy 3 pizzas? What about 6 pizzas?
Step 1: Solve the equation for y.

11. Examples
Solve the equation for A:
A + B = C

12. Examples
2) Solve the equation for X:
XY – W = Z

13. Examples
3) Solve the equation for G:
G + F = T S

14. You Try!
Solve the equation for m. 4=2𝑚−5𝑛

15. You Try!
Now find the values of m when n = -2, 0, and 𝑛 2 =2

16. Now, let’s try with only variables…
Solve for x.
𝑎𝑥−𝑏𝑥=𝑐

17. You try
Solve for x.
−𝑡=𝑟+𝑝𝑥

18. formulas
Formula: an equation that states a relationship among quantities
What formulas can you think of?

20. Use 𝜋. Rewriting formulas
What is the radius of a circle with circumference 64 ft? Step 1: Solve for r

21. You Try.
What is the height of a triangle that has an area of 24 in2 and a base with a length of 8 in.
Step 1: Solve for h

22. Word problem
The monarch butterfly is the only butterfly that migrates annually north and south. The distance that a particular group of monarch butterflies travels is shown. It takes a typical butterfly about days to travel one way. What is the average rate at which a butterfly travels in miles per day? Round to the nearest mile per day.

23. You Try!
Pacific gray whales migrate annually from the waters near Alaska to the waters near Baja California, Mexico, and back. The whales travel a distance of about 5000 miles each way at an average rate of 91 mi per day. About how many days does it take the whales to migrate one way?

24. Speed dating!