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S_A_V [24]
2 years ago
9

A parabola is represented by the equation x2 = 4y.

Mathematics
2 answers:
Dimas [21]2 years ago
7 0

Answer: The answer is (B) (0, 1).

Step-by-step explanation: We are given to find the co-ordinates of the focus of the parabola represented by the following equation:

x^2=4y.~~~~~~~~~~~~~~~(i)

We know that the standard form of a parabola is given by

(x-h^)2=4p(y-k),~~~~~~~~~~~~~~~~(ii)

where the co-ordinates of the focus is (h, k + p).

In standard form, the parabola (i) can be written as

x^2=4y\\\\\Rightarrow (x-0)^2=4\times 1(y-0)^2.

Comparing it with the general form (ii) of a parabola, we have

h=0,~k=0,~p=1.

Therefore, the co-ordinates of the focus are

(h, k + p) = (0, 0 + 1) = (0, 1).

Thus, (B) is the correct option.

Nat2105 [25]2 years ago
6 0
The equation of the parabola is x^2 = 4y
The graph of this parabola is curved upwards with the vertex at the origin. The general formula of a parabola is
x^2 = 4ay
So
4a = 4
a = 1
Therefore, the focus of the parabola is
(0,1)
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