Show work for brainliest. ok? a telescope is built using a hyperbolic mirror modeled by the equation (x^2)/(400) + (y^2)/(144) = 1, and a parabolic mirror that opens downward. the parabola has the vertex (-1,-4) and shares a focus with the hyperbola. what are the coordinates of the focus they share?

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step-by-step explanation:

see explanation

step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2