Ma63 Ma63
  • 15-04-2018
  • Mathematics
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what is the answer???

what is the answer class=

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mkryukova19 mkryukova19
  • 15-04-2018
y=4x²-7x+13
y-13=4(x²-(7/4)x)
y-13+4*(7/8)²=4(x²-2*(7/8)x+(7/8)²)

y-13+4*(7/8)²=4(x-(7/8))²
y-13+ 3.0625=4(x-0.875)²
y-9.9375=4(x-0.875)²
y=4(x-0.875)² +9.9375
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