1. 3.1 Solving One Step Equations using +/-
Objective:
Solve linear equations using addition and subtraction.
Use linear equations to solve real life problems.
Standards:
A1.2.1, A1.2.6, A1.9.1, A1.9.3, A1.9.4

2. Terms
Equivalent
Inverse operations
Solution step
Linear equation

3. Practice Problems X = 4-7 -3 + c = 7 4 = L – (– 4) -b = 5
I -6 I + y = 11
12 – 6 = - n

4. More Practice
The selling price of a certain video is $ 7 more then the price the store paid. If the selling price is $24, find and equation that will solve for the price the store paid. Solve the equation.

5. 3.2 Solving One Step Equations using * or ÷
Vocabulary Quiz Tomorrow
Objective:
Solve linear equations using multiplication or division.
Use linear equations to solve real life problems.
Standards:
A1.2.1, A1.9.1, A1.9.3, A1.9.4

6. Terms
Similar triangles
Reciprocal

7. Practice Problems 10x = 110 30b = 5 ½ x = -20 3 c = -5 ½ 4 -1y = -6 5
z = -5 2

8. Similar Triangles
5 ft
X ft
10 ft
6 ft

9. Story Problem
Each household in the United States received about 676 pieced of junk mail per year. About how many pieces of junk mail does a household receive per week?

10. 3.3 Solving Multi-Step Equations
Objective:
Use two or more transformations to solve an equation
Use Multi-step equations to solve real life problems.
Standards:
A1.1.3, A1.2.1, A1.2.6, A1.9.1

11. General Information The goal is always to get the letter by itself
Use the order of operations in reverse to solve multi step equations.
Remember you can check your answer if you are unsure of the result.

12. Practice Problems 2x + 7 = 15 3x – 1 = 8 x + 13 = 20 2 3(x – 2) = 18

13. White Board Practice
One person from each row get materials for your entire row.

14. 3.4 Solving Equations with Variable on Both Sides
Objective:
Collect variables on one side of an equation
Use equations to solve real life problems.
Standards:
A1.1.3, A1.2.1, A1.2.6, A1.9.1, A1.9.4, A1.9.5

15. 3.4 Solving Equations with Variable on Both Sides
Objective:
Collect variables on one side of an equation
Use equations to solve real life problems.
Standards:
A1.1.3, A1.2.1, A1.2.6, A1.9.1, A1.9.4, A1.9.5

16. Terms
All Solutions
No Solution

17. Steps for Solving Equations
1st - Remove all grouping symbols
2nd – Combine same side like terms
3rd – Combine opposite side like terms
4th – Move the add or subtract step
5th – Move the multiply or divide step
6th – Check your answer

18. Practice Problems
4x + 27 = 3x
24 – 6r = 6(4 – r)

19. Practice Problems
7(1 – y) = -3(y – 2)
6 – (-5r) = 5r – 3

20. Practice Problems
g = 9 – 5g
10(-4 + y) = 2y

21. 3.7 Formulas and Functions
Objective:
Solve a formula for one of its variables.
Rewrite an equation in function form.
Standards:
A1.2.1, A1.2.2, A1.2.6

22. Terms
Formula
Function form

23. Practice
Solve for h in the given formulas
A = bh
V = lwh
V = pr2h

24. Function form Rewrite the following in function form
2x + y = = 12x – 2y

25. Function Form
-3x + 4y – 5 = -14
2x = -3y + 10