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Maths Puzzle
Numerical Ability
A line is tangent to the circle whose equation is x^+y^+6x-6y-2=0 at the point (1,5). Find the Slope-intercept form of the tangent line.
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book Other Question
what does x here equal?
-2.7=-1.3+0.7x
factor the quadratic expression completely, and find the roots of the expression.
49x^2 - 14x - 3