How do you write #y = x^2  9x  10# into vertex form?
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To write the quadratic function ( y = x^2  9x  10 ) into vertex form, follow these steps:
 Complete the square to factor the quadratic.
 Rewrite the quadratic in vertex form by completing the square.
Completing the square involves adding and subtracting a constant term to the expression in a way that allows it to be written as the square of a binomial.

Complete the square: [ y = x^2  9x  10 ] [ y = (x^2  9x)  10 ] To complete the square, add and subtract ((\frac{9}{2})^2 = (\frac{9}{2})^2 = \frac{81}{4}): [ y = (x^2  9x + \frac{81}{4})  \frac{81}{4}  10 ] [ y = (x^2  9x + \frac{81}{4})  \frac{41}{4} ]

Rewrite in vertex form: [ y = (x  \frac{9}{2})^2  \frac{41}{4} ]
So, the quadratic function ( y = x^2  9x  10 ) in vertex form is: [ y = (x  \frac{9}{2})^2  \frac{41}{4} ]
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When evaluating a onesided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a onesided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a onesided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a onesided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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