Without solving, determine the character of the solutions of the equation.x2 - 8x + 16 = 0
A. two complex solutions that are conjugates of each other
B. two unequal real solutions
C. a repeated real solution
Answer: C
Mathematics
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Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.
A. 
B. 
C. 
D. y11
Mathematics
Provide an appropriate response.Solve the following system of equations by reducing the matrix:
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify.
A. ± 
B. - 
C. 0
D. 
Mathematics
Solve the problem.For what numbers ? is f(?) = cot ? not defined?
A. all real numbers
B. odd multiples of 
(90°)
C. odd multiples of ? (180°)
D. integral multiples of ? (180°)
Mathematics