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allochka39001 [22]
3 years ago
8

The vertex form of the equation of a parabola is y = 4(x - 2)2 - 1. What is the standard form of the equation?

Mathematics
2 answers:
Paladinen [302]3 years ago
8 0
Ok so your original equation was y=4(x-2)²-1
Therefore we need to expand the bracket to find the original equation.
To do this we need to find (x-2)²=x²-4x+4
Now we multiply this by 4 and subtract 1
4x²-16x+15 Therefore B is the answer
soldi70 [24.7K]3 years ago
4 0
Y = 4(x - 2)² - 1
y = 4(x² - 4x + 4) - 1 
y = 4x² - 16x + 16 - 1
y = 4x² - 16x + 15

<u>y = B(y)</u>
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