Solve the quadratic equation by completing the square.x2 + 12x + 40 = 0

A. {-6 + 2i}
B. {-6 - 4i, -6 + 4i}
C. {-6 - 2i, -6 + 2i}
D. {-8, -4}


Answer: C

Mathematics

You might also like to view...

Answer the question or solve the problem.Tom, Dick and Harry are brothers with different jobs. One is a teacher, one is a doctor, and one is an engineer. Dick's doctor is his brother. Harry taught his brother in school. Match the brothers with the jobs.

A. Dick - teacher, Harry - engineer, Tom - doctor B. Dick - doctor, Harry - teacher, Tom - engineer C. Dick - teacher, Harry - doctor, Tom - engineer D. Dick - engineer, Harry - teacher, Tom - doctor

Mathematics

Solve for x. = -45

A. -80 B. -8 C. -1 D. 0

Mathematics

Combine like terms.13y2 + 20y2

A. -33y2 B. 33y C. 33y4 D. 33y2

Mathematics

Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.-3w2 - 27w - 42

A. -(w - 7)(w - 2) B. prime C. -3(w + 7)(w + 2) D. -(3w + 21)(w + 2)

Mathematics