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question: Y=−3x+6Y=-3x+6

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Solve a quadratic equation using square rootsright chevron icon

Full solution

Q. question: Y=−3x+6Y=-3x+6
  1. Identify y-intercept: Identify the y-intercept by looking at the equation Y=−3x+6Y=-3x+6.\newlineThe y-intercept is the value of YY when x=0x=0.\newlineSubstitute x=0x=0 into the equation.\newlineY=−3(0)+6Y=-3(0)+6\newlineY=6Y=6
  2. Substitute x=0x=0: Identify the x-intercept by setting Y=0Y=0 and solving for xx.
    0=−3x+60=-3x+6
    Add 3x3x to both sides.
    3x=63x=6
    Divide both sides by 33.
    x=2x=2

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