Advanced Algebra Post Test review flashcard

Front

What is the product of (2i)(3i)?

Back

-6

Front

What is the value of i^13?

Back

i

Front

Expand the expression (x + 7)(x + 9).

Back

x^2 + 16x + 63

Front

What is cos 60°?

Back

½

Front

What is cos(π/6)?

Back

\frac{\sqrt{3}}{2}

Front

Define a rational expression.

Back

A fraction where the numerator and denominator are polynomials.

Front

What is the formula for multiplying two binomials?

Back

(a + b)(c + d) = ac + ad + bc + bd.

Front

What is the value of i^2?

Back

-1

Front

What is the result of multiplying (x + 2)(x - 2)?

Back

x^2 - 4

Front

What is the value of cos 0°?

Back

1