Completing the Square in Conic Sections

The video tutorial covers finding the vertex of a parabola using algebraic methods, understanding hyperbolas and their asymptotes, identifying different conic sections, and completing the square to find the standard form of conic sections. It emphasizes the importance of intuition in solving algebraic problems and provides insights into graphing techniques.

What is the vertex of the function f(x) = x^2 + 6x + 5?

• (3, 4)

• (3, -4)

• (-3, -4)

• (-3, 4)

Which method is used to find the vertex of a parabola in the form f(x) = ax^2 + bx + c?

• Completing the square

• Using the quadratic formula

• Graphing the function

• Substituting x = 0

What is the general form of the asymptotes for the hyperbola x^2/a^2 - y^2/b^2 = 1?

• y = ±(b/a)x

• y = ±(a/b)x

• y = ±(a^2/b^2)x

• y = ±(b^2/a^2)x

Tags

CCSS.HSA.REI.D.12

As x approaches infinity in the hyperbola x^2/4 - y^2/9 = 1, what does y approach?

• ±(2/3)x

• ±(3/4)x

• ±(3/2)x

• ±(4/3)x

Which of the following equations represents a parabola?

• x^2 - y^2 = 1

• x = 1/4p y^2

• x^2/4 + y^2/9 = 1

• x^2 + y^2 = 1

How can you identify a sideways parabola from its equation?

• It has the form x^2 - y^2 = 1

• It has the form y = ax^2 + bx + c

• It has the form x = ay^2 + by + c

• It has the form x^2 + y^2 = r^2

Tags

CCSS.HSG.GPE.A.1

What is the first step in converting a conic section equation to its standard form?

• Adding a constant to both sides

• Factoring out common terms

• Multiplying both sides by a constant

• Completing the square for x and y terms

Tags

CCSS.HSG.GPE.A.1

In the equation 4x^2 - 16x + 5y^2 + 30y - 9 = 0, what is the result of completing the square for the x terms?

• 5(x - 2)^2

• 4(x - 2)^2

• 5(x + 2)^2

• 4(x + 2)^2

What is the standard form of the equation 4x^2 - 16x + 5y^2 + 30y - 9 = 0 after completing the square?

• (x + 2)^2/4 - (y - 3)^2/5 = 1

• (x - 2)^2/4 - (y + 3)^2/5 = 1

• (x + 2)^2/5 - (y - 3)^2/4 = 1

• (x - 2)^2/5 - (y + 3)^2/4 = 1

Tags

CCSS.HSG.GPE.A.2

What is the significance of completing the square in conic sections?

• It identifies the type of conic section

• All of the above

• It helps in graphing the conic section

• It simplifies the equation

Tags

CCSS.HSG.GPE.A.2