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Solve I. $x^{2} - 11 x + 28 = 0$
II. $y^{2} - 15 y + 56 = 0$ , then state how $x$ and $y$ compare.

Competition practiceQuadratic Comparison

A $x < y$
B $x > y$
C $x$ ≤ $y$
D $x$ ≥ $y$

Step-by-Step Solution

x = 4

or 7 and

y = 7

or 8. Every

x

is at most every

y

, with equality at 7, so

x

≤

y

.

Answer: C)

x

≤

y

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