Solve the equation by completing the square.a2 + 14a + 45 = 0

A. , - 
B. 5, 9 
C. 54, -9
D. -5, -9 


Answer: D

Mathematics

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Solve.You plan to start a consulting business for software programming. You deposit $320 at the beginning of each month into an account paying 4.85% compounded monthly. How much interest will be earned in the account after seven years?

A. $5,050.18 B. $5,179.23 C. $13,013.07 D. $12,820.52

Mathematics

Solve by substitution:



A) (–5, –2)
B) (–4, 1)
C) (–6, –5)
D) Dependent
E) No solution

Mathematics

Express the sum or difference as a product of sines and/or cosines.sin (8?) + sin (2?)

A. 2 cos (5?) sin (3?) B. 2 sin (10?) C. 2 sin (5?) cos (3?) D. 2 sin (5?) sin (3?)

Mathematics

Find all points where the function is discontinuous.

A. x = -2, x = 0, x = 2 B. x = -2, x = 2 C. x = 0 D. None

Mathematics