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Algebra Review: Slope, Intercepts, Functions, and Graphs

Practice finding slope, x and y intercepts, and function values. Review functions, linear equations, domain, range, and transformations. Identify variables and vertices on graphs.

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Algebra Review: Slope, Intercepts, Functions, and Graphs

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  1. Do Now: Find the slope, and the x and y intercepts 8x – 2y = 16 y = 1/3x – 7

  2. Do Now: Find the value of x so that the function has the given value. k(x) = -2x - 9; k(x) = 11

  3. Chapter 3 Quiz Review To review for the Quiz

  4. Is it a function?

  5. Linear or not Linear?

  6. Linear or not Linear? • y = x2 + 13 2) y = 7 – 3x • 3) 18x – 2y = 26 4) y = 4x(8 – x)

  7. Domain and Range

  8. The linear function m = 50 − 9d represents the amount m (in dollars) of money you have after buying d DVDs. • Identify the independent and dependent variable • Find the domain of the function. • Find the range

  9. Graph Domain: Range:

  10. Graph Domain: Range:

  11. Graph f(x) = -2|x – 7| +3 Domain: Range:

  12. Describe each transformation and Identify the vertex. • y = -3|x + 10| – 9 2) y = |x – 11| 3) y = -.5|x| + 16 4) g(x) = |x| – 15 5) f(x) = |x – 2| + 4 6) h(x) = 6|x – 2| + 2

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