Math Problem Statement

write x^2 - y^2 +224 -30x=0 in standard form of a conic

Solution

To rewrite the equation x2y2+22430x=0x^2 - y^2 + 224 - 30x = 0 in the standard form of a conic, we need to complete the square for the xx-terms and isolate y2y^2.

Step 1: Group xx-terms and reorganize

x230xy2+224=0x^2 - 30x - y^2 + 224 = 0 Reorganize: x230xy2=224x^2 - 30x - y^2 = -224

Step 2: Complete the square for xx

The x230xx^2 - 30x term can be completed by adding and subtracting (302)2=225\left(\frac{-30}{2}\right)^2 = 225: x230x+225225y2=224x^2 - 30x + 225 - 225 - y^2 = -224 (x15)2225y2=224(x - 15)^2 - 225 - y^2 = -224

Step 3: Simplify

(x15)2y2=225224(x - 15)^2 - y^2 = 225 - 224 (x15)2y2=1(x - 15)^2 - y^2 = 1

Step 4: Identify the conic

The equation is now in the standard form of a hyperbola: (x15)21y21=1\frac{(x - 15)^2}{1} - \frac{y^2}{1} = 1

This is a hyperbola centered at (15,0)(15, 0) with the transverse axis along the xx-axis.


Key Features:

  1. Center: (15,0)(15, 0)
  2. Transverse Axis: Horizontal
  3. Vertices: (15±1,0)=(16,0)(15 \pm 1, 0) = (16, 0) and (14,0)(14, 0)
  4. Asymptotes: y=±(x15)y = \pm (x - 15) (from the general form of hyperbolas)
  5. Equation Type: Hyperbola.

Would you like more details or further steps clarified?

Follow-Up Questions:

  1. How do you determine the center of a hyperbola?
  2. Can you explain the significance of completing the square in conic equations?
  3. How do you find the asymptotes of a hyperbola?
  4. What are the key differences between hyperbolas and other conic sections?
  5. How do the coefficients affect the orientation of the hyperbola?

Tip:

Always check the signs in conic sections' equations to identify whether the conic is a hyperbola, ellipse, or parabola.

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Math Problem Analysis

Mathematical Concepts

Algebra
Conic Sections
Hyperbolas
Completing the Square

Formulas

Standard form of a hyperbola: (x-h)^2/a^2 - (y-k)^2/b^2 = 1
Completing the square: (x^2 + bx) → (x + b/2)^2 - (b/2)^2

Theorems

Completing the Square

Suitable Grade Level

Grades 9-12