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Question
solve the following inequality for x. express your answer in algebraic notation. if there is no solution, indicate
o solution.\ if all real numbers solve the inequality, indicate \all real numbers.\
5x² - 7x + 7 > 0
answer
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no solution
all real numbers
Step1: Calculate the discriminant
For the quadratic equation \(ax^{2}+bx + c = 0\) (\(a = 5\), \(b=-7\), \(c = 7\)), the discriminant \(\Delta=b^{2}-4ac\).
Step2: Analyze the sign of the quadratic function
Since \(a = 5>0\) (the parabola \(y = 5x^{2}-7x + 7\) opens upwards) and \(\Delta=-91<0\) (the quadratic function \(y = 5x^{2}-7x + 7\) has no real roots).
The graph of the quadratic function \(y = 5x^{2}-7x + 7\) is always above the \(x\) - axis.
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All Real Numbers