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I. $x^{2} - 7 x + 12 = 0$
II. $y^{2} - 9 y + 20 = 0$ . Establish the relation between $x$ and $y$ .

Competition practiceQuadratic Comparison

A $x < y$
B $x <= y$
C $x > y$
Drelation cannot be established

Step-by-Step Solution

x = 3

or 4 and

y = 4

or 5; the largest

x

(4) equals the smallest

y

(4), so

x <= y

.

Answer: B)

x <= y

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