How do we know that we Enlarged by 2?
2 answers:
Answer:
ggg
Step-by-step explanation:
I think you multiply everything by 2 but I’m not fully sure
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Check the picture below.
![\bf \textit{equation of a circle}\\\\ (x- h)^2+(y- k)^2= r^2 \qquad center~~(\stackrel{0}{ h},\stackrel{-3}{ k})\qquad \qquad radius=\stackrel{2}{ r} \\\\[-0.35em] ~\dotfill\\[1em] [x-0]^2+[y-(-3)]^2=2^2\implies x^2+(y+3)^2=4](https://tex.z-dn.net/?f=%5Cbf%20%5Ctextit%7Bequation%20of%20a%20circle%7D%5C%5C%5C%5C%20%28x-%20h%29%5E2%2B%28y-%20k%29%5E2%3D%20r%5E2%20%5Cqquad%20center~~%28%5Cstackrel%7B0%7D%7B%20h%7D%2C%5Cstackrel%7B-3%7D%7B%20k%7D%29%5Cqquad%20%5Cqquad%20radius%3D%5Cstackrel%7B2%7D%7B%20r%7D%20%5C%5C%5C%5C%5B-0.35em%5D%20~%5Cdotfill%5C%5C%5B1em%5D%20%5Bx-0%5D%5E2%2B%5By-%28-3%29%5D%5E2%3D2%5E2%5Cimplies%20x%5E2%2B%28y%2B3%29%5E2%3D4)
Answer:
a1=4-2(1)
=4-2
a1=2
a2=4-2(2)
=4-4
a2=0
a3=4-2(3)
=4-6
a3=-2
a4=4-2(4)
=4-8
a4=-4
X^2 - 8x - 6x + 48 i think
Answer:
BC=√7
Step-by-step explanation:
AC=4
AC=AH+HC
=3HC+HC
=4HC
HC=1/4AC=1/4×4=1
AH=3HC=3×1=3
BH⊥ AC
AB=AC=4

17x +x to the second power