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Consider Only the Discriminant b2−4acb ^ { 2 } - 4 a c

Question 4

Multiple Choice

Consider only the discriminant, b2−4acb ^ { 2 } - 4 a c to determine whether one real-number solution, two different real-number
solutions, or two different imaginary-number solutions exist.
- x2+4x+5=0x ^ { 2 } + 4 x + 5 = 0


A) Two different real-number solutions
B) One real solution
C) Two different imaginary-number solutions

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