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What is y if x equals 5. Y=-4x^2-3x+4
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What is y if x equals 5. Y=-4x^2-3x+4
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Apr 7, 2017
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What is y if x equals 5.
Y=-4x^2-3x+4
Mathematics
high-school
Purushottam
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I hope I did this right but y= -146
Arnav Yagnik
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Apr 8, 2017
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Arnav Yagnik
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-4 x 5^2 - 3 x 5+ 4
Thats the same equation, with 5 instead of X.
No parantheses, so we do the exponents first.
5^2 = 25
so
-4 x 25 - 3 x 5 + 4
Next: Multiplication.
-4 x 25 = -100
3 x 5 = 15
-100 - 15 + 4
Next: Addition:
-100 - 19
which equals
-119
Vivek Dragon
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Apr 13, 2017
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Vivek Dragon
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