3 years ago

Which graph represents the solution set for the quadratic inequality x^2+2x+1>0?

Mathematics

1 answer:

icang [17]3 years ago

7 0

Answer:

x > -1 (Answer D)

Step-by-step explanation:

Note that x^2 + 2x + 1 > 0 is equivalent to (x + 1)^2 > 0. This has two solutions: {-1, -1} (two real, equal roots). The solution set includes all real numbers such that x > -1 (Answer D)

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