Find the exact solutions to the quadratic equation in the complex numbers.5x2 + 55 = 0
A. ± i
B. ±
C. 27.5
D. ±11i
Answer: A
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Solve the problem.Find the equation of the curve for which the second derivative is 6. The curve passes through (1, 5) with a slope of 13.
A. y = 3x2 + 7x B. y = 3x2 C. y = 3x2 + 7x - 5 D. y = 3x2 - 7x - 5
Solve the problem.Andrea Gilford's savings account has a balance of $249. After 2 years, what will the amount of interest be at 10% compounded annually? Round to the nearest dollar.
A. $57 B. $52 C. $43 D. $12
Solve.The adult daily dosage for a certain medicine is 125 milligrams for every 20 pounds of body weight. If the patient weighs 240 pounds and he is to receive a dose of this medicine every 6 hours, find the amount of medicine he should receive in each dose.
A. 250 mg B. 375 mg C. 9000 mg D. 6000 mg
Solve the problem.The perimeter of a rectangle is the sum of the lengths of all four sides. A rectangle has a perimeter of 
. Let W be the width, L be the length, and P be the perimeter, all units in yards.a. Sketch three possible rectangles of perimeter 24 yards.b. Which of the symbols W, L, and P are variables?c. Which of the symbols W, L, and P are constants?
What will be an ideal response?