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burhan101

Describe the transformation for : y= -x²+6x-5

  • one year ago
  • one year ago

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  1. CliffSedge
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    The parent function is the squaring function, \(y=x^2\) Look at all the ways \(y= -x^2+6x-5\) is different from the parent function. Putting it in vertex form will also help.

    • one year ago
  2. burhan101
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    how do i do that ? :$

    • one year ago
  3. CliffSedge
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    Vertex form? Complete the square.

    • one year ago
  4. burhan101
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    ohhh okay !

    • one year ago
  5. burhan101
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    \[\huge -(x-3)^2+4\]

    • one year ago
  6. CliffSedge
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    That looks right.

    • one year ago
  7. burhan101
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    \[\huge Range = {\epsilon \mathbb{R}| y \neq 0}\]

    • one year ago
  8. CliffSedge
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    Not for the function you have above, no.

    • one year ago
  9. burhan101
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    y doesnot equal 4** sorry typo

    • one year ago
  10. CliffSedge
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    y can equal 4 here, just not anything above it.

    • one year ago
  11. burhan101
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    my solution says it says y can equal any real number :S

    • one year ago
  12. burhan101
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    yeah i thought it was that too,

    • one year ago
  13. CliffSedge
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    Not for a parabola it can't.

    • one year ago
  14. CliffSedge
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    The domain is any real number for x...

    • one year ago
  15. burhan101
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    yeah that's what i thought, look at number 8 http://mail.wecdsb.on.ca/~janet_maitland/FOV1-0006CFBC/FOV1-0006E9C7/unit%20three%20practice%20answers.pdf?Plugin=Loft

    • one year ago
  16. burhan101
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    maybe she made a mistake :S

    • one year ago
  17. CliffSedge
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    Yeah, you can see clearly from the graph that the range is y≤4.

    • one year ago
  18. burhan101
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    okay thanks :D i thought i might have been doing to wrong

    • one year ago
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