exam Maths Puzzle Numerical Ability

Determine whether the following equations have a solution or not? Justify your answer
(7)1/2y2 - 6y - 13(7)1/2 = 0

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exam Other Question

FIND THE EQUATIONS FOR THE FOLLOWING LINES AND THEN GRAPH THEM USING ANY GRAPHING UTILITY.

(a) Perpendicular to x + 2y = 10, and passing through the point (1, 1).

(b) Parrallel to 6x - 4y + 12 - 0, and passing through the line x = 3. The hypotenuse of a right triangle is 11 miles long. One leg of the triangle is 3 miles longer than the other leg. Find the sum ofo the lengths of the two legs of the right triangle.