SOLUTION: Prove or give a counterexample to each statement. ∀x ∈ ℝ, ((x^2) + 5x + 7 > 0)

SOLUTION: Prove or give a counterexample to each statement. ∀x ∈ ℝ, ((x^2) + 5x + 7 > 0)

Algebra.Com

Question 644532: Prove or give a counterexample to each statement.
∀x ∈ ℝ, ((x^2) + 5x + 7 > 0)

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Hint: Complete the square and take advantage of the fact that something like x^2 is always nonnegative.
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