Show by substitution whether the number r is a solution of the corresponding quadratic equation.x2 + 12x + 36 = 11; r = -6 -

A. Yes
B. No

Answer: A

Mathematics

Use a graphing calculator to solve the equation.2log4 + log x = 7

A. 1,439,115.6831 B. 625,000.0000 C. 1.60 × 108 D. 1,250,000.0000

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Mathematics

Solve the given differential equation.3 + 127 + 164y = -6e3x

A. y = c₁e^-41x + c₂e^-4x/3 - e^3x
B. y = c₁e^-41x + c₂e^4x/3 - e^3x
C. y = c₁e^-41x + c₂e^-4x/3 + e^3x
D. y = c₁e^-41x + c₂e^-4x/3 - e^3x

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Mathematics

Solve the problem.Fill in the blank.7 + 8 = is an example of the ___________ property.

A. associative B. distributive C. inverse D. commutative

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Mathematics

Without solving, determine the character of the solutions of the equation in the complex number system.x2 - 2x + 1 = 0

A. two unequal real solutions B. two complex solutions that are conjugates of each other C. a repeated real solution

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Mathematics