Answers created by Alex Boroda

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• How are random variables generally identified (i.e., what notation is used to identify a random variable)?
  
• What is the real meaning of "degree mode" and "radian mode"?
  
• Is it possible to have a equilateral right triangle?
  
• How do you create a histogram?
  
• How do you use z score to find p value?
  
• How do I calculate and interpret a z-score?
  
• How does r squared related to standard deviation?
  
• Under what conditions can you not use a pie chart to display categorical (qualitative) data?
  
• How do you construct a histogram using the data 12, 13, 21, 27, 33, 34, 35, 37, 40, 40, 41?
  
• For what kind of data would you construct a dotplot or stemplot?
  
• What is a modified boxplot?
  
• How do you write an equation in standard form for a line which passes through points (-9,0), m= -9?
  
• How do you write an equation in standard form for a line passes through (2, –3) and is perpendicular to y = 4x + 7?
  
• What is the equation of a hyperbola with a=6 and c=9?
  
• How do you find the inverse of #f(x)=3+sqrt(x-8)#?
  
• How do I do matrix subtraction in Excel?
  
• How do you find the axis of symmetry for a quadratic equation #y = x^2 + 6x + 13#?
  
• How do I find the Cartesian equation of a plane containing three given points?
  
• What features could we add to Socratic that would make answering math questions easier?
  
• What characteristics are identified from the graph of an exponential function?
  
• How do I find the constant term of a binomial expansion?
  
• What are the conditions required for conducting a one-sample proportion z test?
  
• If I don't have a calculator, how can I assess the normality of a data set?
  
• How do you create a histogram from a frequency table?
  
• If a number is multiplied by each term of an arithmetic sequence, is the resulting sequence still arithmetic of is it geometric?
  
• How do I find the power function that models a given set of ordered pairs?
  
• How do I find the equation of an exponential function that passes through the point (4,2)?
  
• What is important about family of lines?
  
• How can quadratic equations be used to model ballistics?
  
• How do you write the equation of a transformed graph?
  
• How do you write nine to the yth power in exponential form?
  
• What is #k# in Newton's Law of Cooling?
  
• How is the slope of a line related to speed?
  
• How do you create box and whisker plots on a graphing calculator?
  
• How do you create your equations when working on a mixture word problem?
  
• How do you find a sample space?
  
• How can a system of equations be used to predict media use?
  
• How do I calculate the depreciation value of a car?
  
• What is the range of #y=[(1-x)^(1/2)]/(2x^2+3x+1)#?
  
• How do you use the rational root theorem to find the roots of #x^3-x^2+2x-2#?
  
• Question #c9e1c
  
• Question #2e467
  
• Question #a73a3
  
• How do you graph exponential decay functions?
  
• How do you find the domain of #f(x) = sqrt (x^2 - 2x + 5)#?
  
• How do you find the distance between point A(-3, 5) and point B(4, -6) in the coordinate plane?
  
• How do you simplify #(sqrta- sqrtb)/(sqrta+sqrtb)#?
  
• How do you combine #(x-3)/ (30x+5) - 2/ (18x+3)#?
  
• How do you know if a word problem is talking about exponential functions?
  
• Why are so many people under the impression that we need to find the domain of a rational function in order to find its zeros? Zeros of #f(x) = (x^2-x)/(3x^4+4x^3-7x+9)# are #0,1#.
  
• How to graph a parabola #x^2=4y#?
  
• How do you factor #3x^4-x^3-3x^2+1#?
  
• How to use the discriminant to find out what type of solutions the equation has for #x^2-4x+10=0#?
  
• How do you write an equation in standard form for a line passing through X(0, 6), Y(5, 6)?
  
• How do I use the vertex formula to determine the vertex of the graph of the function and write it in standard form for f(x)=x^2-10x?
  
• Why does the equation #4x^2-25y^2-24x-50y+11=0# not take the form of a hyperbola, despite the fact that the squared terms of the equation have different signs? Also, why can this equation be put in the form of hyperbola#(2(x-3)^2)/13 - (2(y+1)^2)/26=1#
  
• What is the vertex, axis of symmetry, the maximum or minimum value, and the range of parabola #y=4x^2-2x+2#?
  
• How do you write #n^2-5n# in standard form?
  
• How do you factor #2x^2-11x-21#?
  
• How do you graph #2(y-1) > 3(x+1)#?