anonymous
  • anonymous
anyone know the vertex formula?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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precal
  • precal
|dw:1359309883413:dw|
precal
  • precal
|dw:1359309894668:dw|
anonymous
  • anonymous
i can do the first part how do you do the second part?

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precal
  • precal
once you find x, just sub x back into the original equation to find y
anonymous
  • anonymous
ok how would you if x=20 sub it into y= -0.0375x^ + 1.5x to =15
precal
  • precal
give me the original equation first
anonymous
  • anonymous
ok it is y=-0.0375x^2+1.5x
precal
  • precal
|dw:1359310208655:dw|ok your x is correct
precal
  • precal
|dw:1359310292570:dw|(20,15) is your vertex
precal
  • precal
you will use order of operation to evaluate it to become 15
anonymous
  • anonymous
do you only add the 20 to the 2nd x?
precal
  • precal
-.0375(400)+30 -15+30 15
precal
  • precal
use order of operations Parenthesis Exponents Multiplication and division left to right addition and subtraction left to right
anonymous
  • anonymous
ok thanks
precal
  • precal
yw
anonymous
  • anonymous
im doing a math project and i didnt get how to do a part and you helped me thx
precal
  • precal
anytime

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