Find all real and complex solutions by completing the square.
y^2+4y=-8
i just want someone to guide me through it .

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 − 24x 8,000 + 2x 8,000 − 2x

What values of c and d make the equation true?

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x