Solve the equation by completing the square.5x2 + 9x = 0

A. ±
B. 0
C. - , 0
D. , 0

Answer: C

Mathematics

Solve the given differential equation. (The form of yp is given.)D2y - 25y = e-5x (Let yp = Axe-5x.)

A. y = c₁e^-5x + c₂e^5x - xe^5x
B. y = c₁e^-5x + c₂e^5x + xe^-5x
C. y = c₁e^-5x + c₂e^5x - xe^-5x
D. y = c₁e^-5x + c₂e^5x - xe^-5x

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Mathematics

Which of the numbers are the given type of number?7, , -8, 0, , - , 5.3, Integers

A. 7, -8, 0
B. 7, 0,
C. 7, -8, 0,
D. 7, 0

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Mathematics

Solve the problem. = 18

A. 2.9373 B. 1.9482 C. 1 D. 2.9092

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Mathematics

Classify the triangle as acute, right, or obtuse and as equilateral, isosceles, or scalene.

A. Acute, scalene B. Obtuse, equilateral C. Acute, equilateral D. Obtuse, isosceles

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Mathematics