kennyg02
14.07.2019 •
Mathematics
Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function y=2x^2+4x-3
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Ответ:
Step-by-step explanation:
write this expression : f(x) = a(x-h)²+k
when the axis of symmetry is the line : x =h and the vertex A(h,k)
y=2x²+4x-3
y = 2(x²+2x - 3/2)
y=2((x²+2x+1) -1 -3/2)
y = 2((x+1)² - 5/2)
y = 2(x+1)² -5vertex form x= -1 the axis of symmetry and A(-1,-5)the vertex
Ответ: