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What are the coordinates of the foci for this hyperbola?(0,±2√3)open paren 0 comma plus or minus 2 square root of 3 close paren(±3,0)open paren plus or minus 3 comma 0 close paren(±4,0)open paren plus or minus 4 comma 0 close paren(±3√2,0)open paren plus or minus 3 square root of 2 comma 0 close paren

What are the coordinates of the foci for this hyperbola?(0,±2√3)open paren 0 comma-example-1
User Ehrencrona
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2 Answers

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6 votes

Final answer:

Without the hyperbola's equation or details about its axes, the foci's coordinates cannot be determined. The foci of a hyperbola are found using the formula c = √(a^2 + b^2). Without additional information, the provided options cannot be confirmed as the coordinates for the foci of the hyperbola.

Step-by-step explanation:

To find the coordinates of the foci for a hyperbola, one needs to understand the structure of a hyperbola and how it differs from an ellipse. While an ellipse's foci are within its bounds and give the combo of distances to any given point on the ellipse that sums to a constant, a hyperbola has the foci outside the curved shape, with the difference of distances to any point on the hyperbola being constant.

In the case where the student provided the options (0,±2√3), (±3,0), (±4,0), and (±3√2,0), we would need the equation of the hyperbola to identify the correct foci coordinates. Unfortunately, without the hyperbola's equation or additional information about its semi-major and semi-minor axes, we cannot definitively provide the coordinates of the foci.

However, in general, for hyperbolas aligned along the x-axis, the formula for the foci is (±c,0), where c = √(a^2 + b^2) and 'a' is the length of the semi-major axis, 'b' is the length of the semi-minor axis. If it's aligned along the y-axis, the foci are (0,±c). It's important to note that 'c' is always greater than 'a'.

13 votes
13 votes

Given:-

A hyperbola in graph.

To find the value of foci.

So inorder to find the value of foci we use the formula,


c^2=a^2+b^2

So we need to know about the value of a and b first.

The value of a and b can be founded by counting the height and length from the vertex of the parabola to the line.

So we get,


a=3,b=3

So now we substitute the known values in the above formula. so we get,


\begin{gathered} c^2=3^2+3^2 \\ c^2=9+9 \\ c^2=18 \\ c=\sqrt[]{18} \\ c=3\sqrt[]{2} \end{gathered}

So our required foci value is,


(\pm3\sqrt[]{2},0)

User Opalenzuela
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