exam
Maths Puzzle
Numerical Ability
rewrite the equation as a function of x.
-3x + 4y = 11
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exam Other Question
1) Solve x2-2x-3>0.
a. (-3, 1)
b. (-1, 3)
c. (- ∞ , -3) U (1, ∞ )
d. (- ∞ , -1) U (3, ∞ )
Find two positive numbers whose difference is 9 and whose product is a mimimum.
x-y=9 xy=?