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vera_ewing

  • one year ago

Pre-calculus question

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  1. anonymous
    • one year ago
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    h(x)= (x+5)^2

  2. vera_ewing
    • one year ago
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    Is that correct? @Nnesha ^^

  3. Nnesha
    • one year ago
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    `f(x−h)` here h is horizontal shift `f(x) + k` here k is vertical shift y=a(x-h)^2+k if h is negative graph will shift h unit to the right if h is positive graph will shift h unit to the left if k is positive graph shift k unit p if k is negative some unit down now look at the graph is it going up down left or right ?

  4. Nnesha
    • one year ago
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    |dw:1444354606202:dw|btw this is the parent function :=)

  5. vera_ewing
    • one year ago
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    It's going left

  6. Nnesha
    • one year ago
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    right so h should be negative or positive ?

  7. anonymous
    • one year ago
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    It ends up being (x-(-5)^2 though which makes it positive (x+5)^2

  8. vera_ewing
    • one year ago
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    Negative

  9. Nnesha
    • one year ago
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    right but the short cut is if its going left then sign should be positive and if it's going right then h should be negative (opposite ) and bec it's horizontal shift so number should inside the parentheses :=)

  10. vera_ewing
    • one year ago
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    (x+5)^2 So this is the answer? @Nnesha

  11. Nnesha
    • one year ago
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    right going left so `h` should be positive and h is horizontal shift should be inside the parentheses \[\rm y= a(x-\color{reD}{h})^2+k\] :=)

  12. vera_ewing
    • one year ago
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    Ok thanks!!!

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