exam Maths Puzzle Numerical Ability

Tutor how do I factor 3y^2-14y-24 do I have to find out what y is first? Thank you.

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exam Other Question

The key is to find the slope of the line between the two given points, then use that value to determine the slope of a perpendicular line.

16) Find the slope of any line perpendicular to the line through points (0, 5)
and (-3, -4). Hello, I am having trouble figuring out this problem
Write a recursive formula that generates the terms of the following:
1,3,9,27,...

Thanks in advanced