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Math Help - Directly proportional to the square

  1. #1
    Senior Member Mukilab's Avatar
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    Directly proportional to the square

    What does this mean (question in the title). I need this to work out a question
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  2. #2
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    Quote Originally Posted by Mukilab View Post
    What does this mean (question in the title). I need this to work out a question
    if y is directly propotional to the square of x then

    y=kx^2 where k is a constant
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  3. #3
    Senior Member Mukilab's Avatar
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    Quote Originally Posted by jiboom View Post
    if y is directly propotional to the square of x then

    y=kx^2 where k is a constant
    What do you mean by constant.
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  4. #4
    Member rowe's Avatar
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    A constant is a fixed number. Like 2, or -56, or \pi. In this case, the expression y=kx^2 where k is constant, it is asking you to consider only one value for k for all values of x.
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  5. #5
    Senior Member Mukilab's Avatar
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    Ok, I got that before... sorry I should have updated the thread.
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