Solve the following system by any appropriate method. If there is no real number solution, so state.4x2 + y2 = 164x2 - y2 = 16
A. (4, 0), (-4, 0)
B. (2, 0), (-2, 0)
C. (0, 2), (0, -2)
D. (0, 4), (0, -4)
Answer: B
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A. Alabama B. population C. new states D. none of these
Determine if the sequence is arithmetic. If the sequence is arithmetic, find the common difference.a1 = 2, an = an - 1 + 8
A. yes, 8 B. no C. yes, 2 D. yes, 1
Without solving the given quadratic equation, determine the number and type of solutions.x2 - 7x + 8 = 0
A. one (repeated) real rational solution B. two real irrational solutions C. two real rational solutions D. two imaginary solutions
Provide an appropriate response.Determine if the expression (-6)-4 is positive or negative.
A. Positive B. Negative