Answers edited by Rohan N.

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• What is the slope of any line that is perpendicular to a line with a slope of `-4/3`?
  
• How do I find the asymptotes of `y=1/((x-1)(x-3))`?
  
• A line passes through `(4 ,3 )` and `(2 ,5 )`. A second line passes through `(5 ,6 )`. What is one other point that the second line may pass through if it is parallel to the first line?
  
• How do you multiply `sqrt 2 / sqrt 10`?
  
• What is the implicit derivative of `1= x/y-e^(xy)`?
  
• How do you find `f^-1(x)` given `f(x)=-1/x^2`?
  
• How do you find the vertex of `y=x^2+10x+21`?
  
• How do you simplify `\frac { 2x y ^ { 0} } { 3x ^ { 5} }`?
  
• Why is the ordinary least squares method used in a linear regression?
  
• How do you find the domain and range for `y = -sin 0.25x`?
  
• How would one complete the square: `x^2 + 6x +` _?
  
• How do I perform linear regression on data?
  
• How do you graph using the intercepts for `-x+3y=-5`?