anonymous
  • anonymous
You start out with $20 and then spend money in a store where every item is $3. Y = -3x + 20. What is the slope of this problem?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Y = -3x + 20 =20-3x 20=money we have originally Y=money left 3=cost of item x= no. of item we buy therefore, slope = -3 which moeny spent on 1 item
anonymous
  • anonymous
If that was the slop can you tell me the y intercept?
anonymous
  • anonymous
put x=0, we can find y-intercept which is 20 20 is the money we have originally

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anonymous
  • anonymous
Memorize the linear formula: y = mx + b ( m is slope, b is y intercept) Match them: Y = -3x + 20
anonymous
  • anonymous
@gageallen15 Of course CoCoTsoi's explanation is far better than mine, since it implies real concept. Just try to show you the shortcut in case :P
anonymous
  • anonymous
Thank you :)

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