SOLUTION: Looking at the graph of y = x^2 -13 x + 30, solve the inequality x^2 -13 x + 30 > 0. Express your answer using interval notation. x:

Question 945344:
Looking at the graph of y = x^2 -13 x + 30, solve the inequality x^2 -13 x + 30 > 0. Express your answer using interval notation.
x:
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!

Critical values are at -3 and +10. Those are the roots or zeros of the quadratic expression. These form THREE intervals on the x-axis, so TEST EACH OF THE INTERVALS!

You know you have y as a parabola, and you want to know for which x-values is .

SOLUTION: Set of points ( ,-3 ) AND ( 10, )
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

Looking at the graph of y = x^2 -13 x + 30, solve the inequality x^2 -13 x + 30 > 0. Express your answer using interval notation.
x:

(- ∞, 3) U (10, ∞)
You can do the check!!
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