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abz_tech

  • 3 years ago

express x² + 10x + 32 in the form (x + a)² + b where a, b = N

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  1. abz_tech
    • 3 years ago
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    \[a, b \in \mathbb{N}\]

  2. Math_Kills
    • 3 years ago
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    I'm not sure but I'll try - I think it might go like this.

  3. Math_Kills
    • 3 years ago
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    (x|dw:1316456509340:dw|

  4. abz_tech
    • 3 years ago
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    whered u get ''25'' :o?

  5. Math_Kills
    • 3 years ago
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    If you have any questions by all means ask - I'm not completely sure about this

  6. Math_Kills
    • 3 years ago
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    When converting from x^2+10x+32 to the form of (x+#)^2 + # you have to take the middle number which in this case is 10. You divide it by 2, which is 5, then you square that answer (5)^2

  7. abz_tech
    • 3 years ago
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    ah ok

  8. Math_Kills
    • 3 years ago
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    ur original form was standard form, and the middle number is called "b" - so the rule is to change from standard form to that new form you need to do this (b/2)^2

  9. Math_Kills
    • 3 years ago
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    That's where the 25 comes from - once you have the 25 you can actually convert the form to that new form.

  10. abz_tech
    • 3 years ago
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    think i get it now, thx man :P

  11. Math_Kills
    • 3 years ago
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    Do you want me to draw out the answer in better detail, just to be sure you get it?

  12. abz_tech
    • 3 years ago
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    na its ok, i know how to do the sum, but was stuck with the ''10''

  13. Math_Kills
    • 3 years ago
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    Oh okay then - : )

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