Find the coordinates of the foci of the hyperbola $\frac{x^2}{16} - \frac{y^2}{9} = 1$.

GeometryHyperbolaConic SectionsFoci
2025/6/14

1. Problem Description

Find the coordinates of the foci of the hyperbola x216y29=1\frac{x^2}{16} - \frac{y^2}{9} = 1.

2. Solution Steps

The standard form of a hyperbola is x2a2y2b2=1\frac{x^2}{a^2} - \frac{y^2}{b^2} = 1.
In this case, we have a2=16a^2 = 16 and b2=9b^2 = 9.
Thus, a=4a = 4 and b=3b = 3.
To find the foci, we need to calculate cc, where c2=a2+b2c^2 = a^2 + b^2.
c2=a2+b2c^2 = a^2 + b^2
c2=16+9c^2 = 16 + 9
c2=25c^2 = 25
c=25c = \sqrt{25}
c=5c = 5
Since the hyperbola is in the form x2a2y2b2=1\frac{x^2}{a^2} - \frac{y^2}{b^2} = 1, the foci are located on the x-axis. The coordinates of the foci are (±c,0)(\pm c, 0).
Therefore, the coordinates of the foci are (±5,0)(\pm 5, 0).

3. Final Answer

(±5, 0)

Related problems in "Geometry"

The problem asks to find the volume of water in a rectangular parallelepiped, given its dimensions: ...

VolumeRectangular ParallelepipedUnits ConversionFractions
2025/6/15

We are given three vectors $\vec{OA} = 3\hat{i} - \hat{j}$, $\vec{OB} = \hat{j} + 2\hat{k}$, and $\v...

VectorsScalar Triple ProductParallelepipedVolumeDeterminants
2025/6/15

Given that $\angle A \cong \angle D$ and $\angle 2 \cong \angle 3$, we want to prove that $\overline...

Geometry ProofTriangle CongruenceAngle CongruenceSide CongruenceCPCTCAAS Theorem
2025/6/14

We are given that $\angle MYT \cong \angle NYT$ and $\angle MTY \cong \angle NTY$. We need to prove ...

CongruenceTrianglesAngle-Side-Angle (ASA)Side-Angle-Side (SAS)CPCTCSupplementary Angles
2025/6/14

The problem describes the transitive property of triangle congruence. Given that triangle $ABC$ is c...

Triangle CongruenceTransitive PropertyGeometric Proof
2025/6/14

The problem states that $ABCD$ is a quadrilateral. We need to prove that the sum of its interior ang...

QuadrilateralAngle SumTriangleProof
2025/6/14

The problem states that $ABCD$ is a quadrilateral. We need to prove that the sum of its interior ang...

QuadrilateralsInterior AnglesGeometric ProofsTriangles
2025/6/14

We are given triangle $PQR$ where side $PQ$ is congruent to side $RQ$, i.e., $PQ = RQ$. We need to p...

Triangle CongruenceIsosceles TriangleProofAngle BisectorSAS CongruenceCPCTC
2025/6/14

We are given that $\angle MYT \cong \angle NYT$ and $\angle MTY \cong \angle NTY$. We want to prove ...

Triangle CongruenceASA PostulateSAS PostulateCPCTCAngle BisectorRight AnglesGeometric Proof
2025/6/14

The problem is to find the equation of the line of intersection between two planes. The equations of...

3D GeometryPlanesLinesIntersectionVectorsCross Product
2025/6/14