Answers edited by Sheffy

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How do you simplify $i^{- 3}$ $i^-3$ ?
Question #0f2a2
How do you rationalize the denominator and simplify $\frac{5}{\sqrt{14} - 2}$ $5 / ( sqrt 14 - 2 )$ ?
How do you factor $\frac{1}{4} x^{2} - 4$ $1/4x^2-4$ ?
How do you find vertical, horizontal and oblique asymptotes for $f (x) = \frac{5 x - 15}{2 x + 14}$ $f(x) = (5x-15 )/ (2x+14)$ ?
What are the intercepts of $- y = 3 y - 6 x - 9$ $-y=3y-6x-9$ ?
How do you solve ${(x - 5)}^{2} = 49$ $(x-5)^2=49$ ?
How do you solve $\frac{n - 12}{n + 1} = - \frac{6}{5}$ $\frac{n - 12}{n + 1} = - \frac{6}{5}$ ?