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- I. x^2 – 9x + 18 = 0 II. y^2 – 11y + 18 = 0
Question 1:
I. x^2 – 9x + 18 = 0 II. y^2 – 11y + 18 = 0
A. if x > y
B. if x ≤ y
C. if x ≥ y
D. if x = y or relationship between x and y can't be established
Feedback According to the given equations:
I. x^2 – 9x + 18 = 0
x^2 – 3x – 6x + 18 = 0
x (x – 3) – 6 (x – 3) = 0
(x – 3)(x – 6) = 0
x = 3, 6
II. y^2 – 11y + 18 = 0
y^2 – 9y – 2y + 18 = 0
y(y – 9) – 2(y – 9) = 0
(y – 2) (y – 9) = 0
y = 2, 9
After comparison of both equations, the conclusion is x = y or no relation is obtained.
I. x^2 – 9x + 18 = 0
x^2 – 3x – 6x + 18 = 0
x (x – 3) – 6 (x – 3) = 0
(x – 3)(x – 6) = 0
x = 3, 6
II. y^2 – 11y + 18 = 0
y^2 – 9y – 2y + 18 = 0
y(y – 9) – 2(y – 9) = 0
(y – 2) (y – 9) = 0
y = 2, 9
After comparison of both equations, the conclusion is x = y or no relation is obtained.
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