exam Maths Puzzle Numerical Ability

y = x^2 - 2x + 5, find the vertex, the axis of symmetry, and graph

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exam Other Question

Find two quadrants in which there are no points on the graph of xy = 12.

a. I & II
b. I & III
c. I & IV
d. II & III
e. II & IV
f. III & IV
g. Al of these have points in at least three quadrants. in a rational no. twice the numerator is 2 more than the denominator. if 3 is added to each, the numerator or the denominator, the new fraction is 2/3. find the original no.