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algebra

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How do you find any x-intercepts and y-intercepts. If no x-intercepts exist, state this.

g(x)=2x^2+3x-1

  • algebra - ,

    let y = 2x^2+3x-1

    for y-intercept , let x = 0
    That one is real easy

    for x-intercept let y = 0
    2x^2+3x-1 = 0
    x = (-3 ± √17)/4
    = ....

    you do the arithmetic

  • algebra - ,

    2(x)+1=5
    2(x)+1=5
    2(x)=5-1
    x=5-1/2
    x=4/2
    x=2

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