exam Maths Puzzle Numerical Ability

finding square root
1/4(x+1)�-16=0

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exam Other Question

Which is the slope of Ax+By=C?

-B/A C/A -A/B C/B Stanbon, this isnt a math question but how do I become smart like you and the other tutors? You seem to know how to get the answers with accuracy. How can I do this for my upcoming quiz?