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August 23, 2011

Notebook Set Up

DIVIDERS:

Notes, Warm-Ups, HW, Quizzes,

Vocabulary, Parent Functions

ASSIGNMENT SHEET

Solve the following equations

1) k + 11 = -21 2) 0 = t + (-1.4)

Solve the following equations

3) t – (-6) = 9 4) -4r = 28

Solve the following equations

115

x 1

82y

5)6)

Solving Equations1-3

• We always want to get our variable by itself on one side of the equal sign

• We always do the opposite of what it says when we do math operations across the equal sign.

Solving Equations

• When we are solving equations we still use our order of operations. (PEMDAS)

• However, when we are doing math operations across the equal sign, we do the order of operations backwards.

PEMDAS

Solve the Following Equations

7) 4n + 9 = -3 8) 13 = -8y – 11

Solve the Following Equations

9) -2.5d – 3.2 = 74.1

11 293

t 10)

Solve the Following Equations

6 127

h

214 61

3a

11)

12)

Solve the Following Equations

26 149v

13)

Solve the Following Equations

14) y – 7 + 4y = 13

Solve the Following Equations

15) 3(a – 5) + 19 = -2

Solve the Following Equations

16) –9 – 3(2r – 1) = -18

Solve the Following Equations

17) (x – 3) – (x – 5) + 2x = 0

Solve the Following Equations

18) 5(g – 7) + 2 = 0 g g 3 5( )

Let’s check this in the calculator!

This is what you would write to verify you did this.

Write an equation, then solve.

19) During one shift, a waiter earns wages of $30 and gets an additional 15% in tips on customers’ food bills. The waiter earns $105. What is the total of the customers’ food bills?

Let x = the total food bill

Homework Pg. 21- 22: #1, 15, 17, 23, 31, 39, 43,

51, 60, 64, 69

(9 points each)