GlossaryT.Y-intercept History

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March 14, 2008, at 04:46 AM by LFS -
March 14, 2008, at 03:39 AM by LFS -
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March 13, 2008, at 03:51 PM by LFS -
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March 13, 2008, at 03:40 PM by LFS -
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March 13, 2008, at 03:01 PM by LFS -
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Example: Find the y-intercept of the quadratic function f(x)=3x^2+2x-1

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Example: Find the y-intercept of the quadratic function f(x)= x^2+2x-1

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March 13, 2008, at 02:57 PM by LFS -
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Example: TFind the y-intercept of the quadratic function f(x)=3x^2+2x-1

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Example: Find the y-intercept of the quadratic function f(x)=3x^2+2x-1

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That is, the point where this function crosses the y-axis is: (0,-1).

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That is, the point where this function crosses the y-axis is: (0,-1).

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March 13, 2008, at 02:53 PM by LFS -
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March 13, 2008, at 02:53 PM by LFS -
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March 13, 2008, at 02:52 PM by LFS -
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Example: The y-intercept of the quadratic function f(x)=3x^2+2x-1 is -1 or (0,-1).

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[c] y=-x+2
[c] y=\frac{1}{x}
[c] y=2^x
[c] f(x)=\sqrt{x+3}

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[c width=180] y=-x+2
[c width=180] y=\frac{1}{x}
[c width=180] y=2^x
[c width=180] f(x)=\sqrt{x+3}

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[c] y-intercept: 1.732 ( \sqrt{3} )

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[c] y-intercept: \sqrt{3}=1.732

March 13, 2008, at 02:46 PM by LFS -
March 13, 2008, at 02:45 PM by LFS -
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  • The intersections of the parabola with x -axis (if there is any), are the roots of the function and can be found with the quadratic formula.
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March 13, 2008, at 02:40 PM by LFS -
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Example: The y-intercept of the quadratic function f(x)=3x^2+2x-1 is c or (0,с).

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Example: The y-intercept of the quadratic function f(x)=3x^2+2x-1 is -1 or (0,-1).

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[table border=2 bordercolor=#ddddff cellspacing=0 cellpadding=5 bgcolor=#eeeeff style='color:#000066; font-size:1em;']

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[c] y=-x+2
[c] y=\frac{1}{x}
[c] y=2^x
[c] f(x)=\sqrt{x+3}
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[c] y-intercept: 2
[c] y-intercept: none
[c] y-intercept: 1
[c] y-intercept: 1.732 ( \sqrt{3} )
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March 13, 2008, at 02:24 PM by LFS -
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Page last modified on March 14, 2008, at 04:46 AM