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Monday, January 31, 2011

Ch 6 Blog

Ask away my friends!!!!

9 comments:

  1. What is the point of a complex conjugate?

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  2. This is David Cohn......
    so if you have the for the rate at which a ball falls which is
    h=-1/2gt2+v0t+h and you have the height....lets say 96 then how do you find what time the ball will be at that height

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  3. will i need to memorize every step of the quadratic regression for the test?

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  4. how do we know when to use a complex conjugate?

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  5. Boss, regression is easy. Get your data and scatter plot, then go to menu, select analyze, then select regression, then whatever you need, like quadratic or w/e.
    My question is, just to make sure i squared is -1 and just i is the square root of -1?

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  6. greta, complex conjugate is used to remove i from the denominator in a fraction

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  7. Is there any way to determine if a parabola crosses the x-intercept just by looking at the equation?

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  8. when an i in an equation is used would it mean that the number is multiplied by the square root of -1??

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