Mathematics
19.05.2021 00:20
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Write f(x)= a(x-h)2+k and identify the vertex f(x)=2x2+4x-5 vertex: ( , ) ? 2x to
Write f(x)= a(x-h)2+k and identify the vertex
f(x)=2x2+4x-5 vertex: ( , ) ?
2x to the second power so 2x2 sorry
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f(x)=2x2+4x-5 vertex: ( , ) ?
2x to the second power so 2x2 sorry
helpmeplz33
5,0(73 marks)
Hello :
2x²+4x-5 = a(x-h)2+k =a(x²-2xh+h²)+k
2x²+4x-5 = ax²-2ahx +ah² +k
a=2(1)
-2ah = 4(2)
ah²+k=-5...(3)
in (2) : -4h=4 h=-1
in(3) : 2(-1)²+k=-5 k = -7
conclusion : 2x²+4x-5 = 2(x+1)²-7
the vertex is : A(-1,-7)
2x²+4x-5 = a(x-h)2+k =a(x²-2xh+h²)+k
2x²+4x-5 = ax²-2ahx +ah² +k
a=2(1)
-2ah = 4(2)
ah²+k=-5...(3)
in (2) : -4h=4 h=-1
in(3) : 2(-1)²+k=-5 k = -7
conclusion : 2x²+4x-5 = 2(x+1)²-7
the vertex is : A(-1,-7)
angie7665
5,0(64 marks)
Sample Response: Henry will need a total of 15 pints of paint. The 3 pints of yellow were multiplied by 3 to get 9 total, so 2 pints of red would be multiplied by 3 to get 6 total.
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