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Do now 9-4-13 (continue on next page of notebook, probably after summary from Tuesday)

Do now 9-4-13 (continue on next page of notebook, probably after summary from Tuesday). Create a 3 column chart explaining the difference & similarities between linear and inequalities. Agenda 9-4. 1. review inequalities 2. exponential 3. problems 4. summary. Geometry and inequality.

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Do now 9-4-13 (continue on next page of notebook, probably after summary from Tuesday)

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  1. Do now 9-4-13 (continue on next page of notebook, probably after summary from Tuesday) • Create a 3 column chart explaining the difference & similarities between linear and inequalities

  2. Agenda 9-4 • 1. review inequalities • 2. exponential • 3. problems • 4. summary

  3. Geometry and inequality • Pg. 392 problem #4 • This is similar to the necklaces and bracelets • How does it relate to geometry? What could I have asked you to do?

  4. Scenario discussions • Juan pays $52.35 a month for his cable bill & an additional $1.99 for each streamed movie. Gail pays $40.32 a month for her cable bill and an additional $2.59 for each streamed movie. Who has the better deal? Justify your choice. • What type of equation/expression is the above, how many unknowns do you have?

  5. Exponential • Use of exponents • Population – use of exponents to show growth of an area • Show growth or decay • Variable is exponent, not the base • Shows patterns

  6. Exponential (continue) • When a > 0 and b > 1, the function y = ab^x models exponential growth. • The base b, is called the growth factor • When a > 0 and 0 < b < 1, the function y = ab^x models exponential decay. In this case, base b is called decay factor

  7. Independent 1. Work on problems pg. 393 #8 & 12; pg. 394 #22, 26, 28, #35 and #36 We need to work on parts 2 and 3 Thursday 2. Create your own expression and equation (can you come up with a 2 or more variable problem) 3. Juan pays $52.35 a month for his cable bill and an additional $1.99 for each streamed movie. If his last cable bill was $68.27, how many movies did Juan watch? (include equation and answer)

  8. Summary 9-4-13 • What is the difference between dependent and independent variable? • what is the difference between a linear equation and exponential equation?

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