Agenda Thursday, September 17

Correct homework

Finish Chapter 1-6. Quiz tomorrow.

Homework 7 p. 41 # 33 - 39, 41, 42, 43 - 57 odd

99 - 103

p. 34

p. 34

Check Understanding 4 p. 39

Exponents or powers43 4 is the base, 3 the

exponent4 x 4 x 4

64

-32 means the opposite of 32

so 3 x 3 = 9the opposite = -9

(-3)2 the negative sign is part of the baseso (-3)(-3) = 9

Another grouping symbol for PEMDAS is the fraction bar.

52 25 5 -5

3 - 8 -5 -1

Do the math in the numerator and the denominator first.

Check Understanding 5 & 6 p. 40

Dividing using the reciprocal.

· Every nonzero real number has a reciprocal.·· Every number multiplied by it's reciprocal = 1.

43

34

2334

23

34

23

43

Divide means multiply by the reciprocal.

Check Understanding 7 p. 41

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