Pre-Calculus - Week 8
Quiz
Answer every question, then submit for automatic grading. 80% or above passes.
Question 1 · medium
For x^2/49 + y^2/25 = 1, what are a, b, and the foci?
Question 2 · easy
Write the equation of the ellipse with vertices (±4,0) and co-vertices (0,±2).
Question 3 · easy
For x^2/9 - y^2/4 = 1, find the asymptotes.
Question 4 · easy
Identify: 5x^2 + 5y^2 - 20 = 0.
Question 5 · medium
Identify: x^2 - 3y^2 + 6 = 0.
Question 6 · easy
What is c for the hyperbola x^2/16 - y^2/9 = 1?
Question 7 · medium
For y^2/9 - x^2/27 = 1, what type of hyperbola, and what are the vertices?
Question 8 · medium
Write the equation of the hyperbola with vertices (±5,0) and asymptotes y = ±(4/5)x.
Question 9 · challenge
Convert to standard form and identify: 4x^2 + 9y^2 - 32x + 36y + 64 = 0.
Question 10 · medium
A hyperbola has foci (±13,0) and vertices (±5,0). Write its equation.