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cgossin123

  • 3 years ago

Where does the graph of y = 3x2 + 14x − 5 cross the x-axis?

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  1. RyanL.
    • 3 years ago
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    Solve for x when y=0

  2. RyanL.
    • 3 years ago
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    \[y = 3x^2 + 14x − 5 \\0 = 3x^2 + 14x − 5 \]

  3. UnkleRhaukus
    • 3 years ago
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    the graph line crosses the x axis, at the x-intercept, ie when y=0

  4. RyanL.
    • 3 years ago
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    you can use the quadratic equation. Or you can try completing the square first it thats possible

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