Pre-Calculus - Week 2
Quiz
Answer every question, then submit for automatic grading. 80% or above passes.
Question 1 · easy
Find the vertex of f(x) = -(x + 3)^2 + 5.
Question 2 · easy
Solve x^2 - 4x - 12 = 0 by factoring.
Question 3 · easy
How many real solutions does 2x^2 - 3x + 5 = 0 have?
Question 4 · easy
Describe the end behavior of f(x) = -x^4 + 3x.
Question 5 · medium
List the zeros and multiplicities: f(x) = x^2(x - 5)(x + 1)^3.
Question 6 · easy
Is x = -2 a zero of f(x) = x^3 + 8?
Question 7 · medium
Use the quadratic formula to solve x^2 - 6x + 4 = 0.
Question 8 · medium
Find all zeros of f(x) = x^3 - x^2 - 6x. Factor completely.
Question 9 · medium
At what x-values does f(x) = (x-1)^2(x+3) touch the x-axis without crossing?
Question 10 · medium
Find the maximum value of f(x) = -2x^2 + 8x - 3.