2
QuizMultiple Choice
Performing Operations with Complex Numbers — Unit test
Question 2 of 15 • MO-Algebra II A
When deriving the Law of Cosines, the equation is created using the Pythagorean theorem. Use substitution to replace in the equation below and then simplify.
Answer
A
square of c = square of a + square of b minus 2bx
B
square of c = square of a minus square of b minus 2bx
C
square of c = square of a minus square of x + square of b minus 2bx + square of x
D
square of c = square of h + square of a + square of b minus 2bx