Performing Operations with Complex Numbers — Cumulative exam Answers

Which expression is equivalent to ?

For which value of m does the graph of y = 18x2 + mx + 2 have exactly one x-intercept?

Which equation represents a graph with a vertex at (1, –6)?

If g(x) is an odd function, which function must be an even function?

The formula relates the time, T, in seconds for a pendulum with the length, L, in feet, to make one full swing back and forth. What is the length of a pendulum that makes one full swing in 2.2 seconds? Use 3.14 for .