1.6 Ex 4 7
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Transcript of 1.6 Ex 4 7
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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