acjoslyn2
acjoslyn2 acjoslyn2
  • 03-11-2015
  • Mathematics
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What is the x-intercept of the line with the equation 1/3x + y = -15 ?

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CloversforHannah
CloversforHannah CloversforHannah
  • 03-11-2015
You find the x-intercept by replacing y with zero. 1/3x+0=-15. 1/3x=-15. Next, you have to divide each side by 1/3. In order to divide a fraction, you have to flip it , then multiply. That means you are now multiplying by 3. -15 times 3 is -45, which means x=-45. That means your answer is (-45,0)
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