Answers edited by KillerBunny

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• How do you use continuity to evaluate the limit #sin(x+sinx)# as x approaches pi?
  
• How do you factor #4x^2 -20xy+25y^2#?
  
• What is the surface area of the solid created by revolving #f(x) = (3x-1)^2 , x in [1,3]# around the x axis?
  
• How do you solve #x^2 - 8x + 3 = 0# by completing the square?
  
• What is the derivative of (x^x)^x?
  
• The sum of two number is 118 and their difference is 16.find the numbers?
  
• How do I find all the rational zeros of function?
  
• How do you use the closed-interval method to find the absolute maximum and minimum values of the function #f(x)=x-2sinx# on the interval #[-π/4, π/2]#?
  
• How do you multiply #(7x)/(5x+15)*(x+3)/(8)#?
  
• What's the acute angle between the planes to the nearest thousandth of a radian?
  
• How do you find the domain of #f(x)=x^2+4#?
  
• How do you factor the trinomial #6x^2 +8x+ 2#?
  
• Can someone help me solve this massive problem please? Thanks!
  
• How do you solve #3/u=27/162#?
  
• Which is the correct answer?
  
• Integrate #int_0^(pi/2)sin^7x*cos^5xdx# ?
  
• How do you graph #y=log_5(x+1)+1#?
  
• How do you solve by elimination with fractions?
  
• How do you find the 7th term in the geometric sequence 2, 6, 18, 54, ...?
  
• How do you graph #y=2sin(x/2)#?
  
• How do you find the domain, x intercept and vertical asymptotes of #f(x)=ln(x-1)#?
  
• A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work.(refer to image)?
  
• Can a triangle have more than one obtuse angle?
  
• How do you factor the difference of two cubes #x^3-64#?
  
• How do you graph #y<x^2#?
  
• How do you use proportions to solve how much money the restaurant made if it serves 250 people per day when they usually serve 100 people per day and takes in $908?
  
• How do you solve #5 (2^(3x)) = 8#?
  
• Suppose in a right triangle, cos(t)=3/4. How do you find: cot(t)?
  
• What is the algebraic expression for: the second power of the quotient of 80 divided by twice a number?
  
• What is the equation of the line with slope # m= 13/17 # that passes through # (0,-1) #?
  
• How do you integrate #inte^(sin3x) cos 3x dx#?
  
• How do you find the domain of this function #y = sqrt( (12/x) + 9) #?
  
• How do I find the standard equation of a parabola given 3 points?
  
• How to do these question?
  
• How do you find the indefinite integral of #int x^3(x^4+3)^2dx#?
  
• How do you graph #y=-3/2sinx# over #0<=x<=360#?
  
• How to resolve this limit from Vector Calculus?
  
• How do you write in standard form an equation of the line with the slope -4 through the given point (2,2)?
  
• How do you solve ln(-x)=x?
  
• How do you write a function rule for the number of cuts you need to make to cut a rope into x pieces?
  
• How do you write #h(x) = cos(x^2)# as a composition of two or more functions?
  
• How do you solve x = 4y + 8 and 2x - 8y = -3?
  
• How do you evaluate # e^( ( 7 pi)/4 i) - e^( ( 13 pi)/12 i)# using trigonometric functions?
  
• How do you factor completely: #5x^2 + 6x − 8#?
  
• What is #(-7pi)/6 # radians in degrees?
  
• Find the value of k if f(x) has three distinct real roots ?
  
• Thoughts on the recent announcement made about the future of the Socratic website? Share them here!
  
• Why are solutions to square roots positive and negative?
  
• How do you write a quadratic equation in standard form with solutions 1 and -8?
  
• #m2+14m+33=#?
  
• How do you solve # log _(2) (log _(2) (log _(2) x))) = 2#?
  
• The sum of three consecutive integers can be represented by?
  
• How do you verify that the function #f(x) = (x)/(x+2)# satisfies the hypotheses of the Mean Value Theorem on the given interval [1,4], then find all numbers c that satisfy the conclusion of the Mean Value Theorem?
  
• In the standard form of the equation for a parabola, what is represented by #a#?
  
• How do you differentiate #f(x)=ln(tanx)# using the chain rule?
  
• Example:3 The 1st term of an arithmetic sequence is 200 and the common nunmber is -10 What is the formula an? What is the 20th term?
  
• What is the the vertex of #y = 7x^2 - 9x #?
  
• 2×2matrix having elements 0 and 1 is selected at random.probability that it's a non singular matrix?
  
• How do you find the square root of 484?
  
• How do you simplify #(e^3) / (e^(x+3))#?
  
• How do you evaluate #sec^-1(-2)# without a calculator?
  
• How do you graph #3x-4y \ge 12#?
  
• What is the circumference of a circle with a radius of 8?
  
• The sum of three numbers is 52. The first number is #8# less than the second. the third number is #2# times the second. What are the numbers?
  
• What is four times a number b which is 3 more than h ?
  
• How do you factor special products of polynomials?
  
• How do you factor # 3a^2 - 6ab +2a - 4b#?
  
• If #f(x) = 2x^2+1# and #g(x) = 3x-2#, what is the value of #f(g(-2))#?
  
• How do you graph the inequality #–3x – 4y<=12#?