Which function is a quadratic function? a(x) = –2x3 2x – 6 b(x) = 5x3 8x2 3 c(x) = –8x2 3x – 5 d(x) = 6x4 2x – 3

Simplify each expression using the definition, identities, and properties of imaginary numbers. match each term in the list on the left to its equivalent simplified form on the right. 1. (i 3)2(-i 0)3(3i 2)4 -4 2. (i 3i -5)2(i 4i -3)0 1 3. (-i 4i 2)(2i)2(i -1i 5)3(i 0)-3 -i 4. i 3[(i 2i 3i 4)(i 0i 2i 5)]2 81