Determine the discriminant of the quadratic equation. Use the value of the discriminant to determine whether the quadratic equation has two rational solutions, two irrational solutions, one repeated real solution, or two complex solutions that are not real.x2 - 4x + 4 = 0
A. Two irrational solutions
B. Two rational solutions
C. Two complex solutions that are not real
D. One repeated real solution
Answer: D
Mathematics
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A. 0.8050 B. 0.6271 C. 0.2964 D. 0.7790
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Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a11 when a1 = -5, r = 2.
A. -5120 B. 15 C. -10,240 D. -5116
Mathematics
Graph the function.y = - 
cos 
A. 
B. 
C. 
D. 
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Multiply.-3(10)
A. -27 B. -40 C. -30 D. 27
Mathematics