Answers created by Rhys

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• How do you find the standard form given #x^2+y^2-6x+4y+14=0#?
  
• #1+2*2!+3*3!+ ... + n*(n!)=#?
  
• How do you solve #u^4 = 1#?
  
• What is the integral of #int (1/(x^2+x+1)) dx#?
  
• How to find the fractional notation for the given infinite sum below? #0.bar4# = #4/10# + #4/100# + #4/1000# + #4/10000# +.....
  
• Who's interested in a new Socratic on a different website?
  
• What is meant by the determinant of a matrix?
  
• Given the vectors #u=<2,2>#, #v=<-3,4>#, and #w=<1,-2>#, how do you find #u*u#?
  
• How do you verify #(cot theta - tan theta)/(cot theta + tan theta) = cos 2 theta#?
  
• How do you solve #\sqrt { 125} = 5^ { x }#?
  
• I roll a 6sided dice twice. What the propability to get the same number twice?
  
• How do you solve #x/(x-2)-1/(x-3)=(1)#?
  
• Is #(1,5)# a solution to the system of equations #y=x+10# and #y=3x+2#?
  
• Can you help me with this logarithms equation for my test? ASAP
  
• Write the sum in sigma notation 72 + 61 + 50 + 39 +...+ -104 ??
  
• How do you find fifth roots of #1#?
  
• What is the area under the curve in the interval [0, 3] for the function #y=x^2+1#?
  
• How do you solve the equation #x^2-4.7x=-2.8# by completing the square?
  
• How do I find the vertical asymptotes of #f(x)=tan2x#?
  
• How do you find the inverse of #f(x)=log[x+1]#?
  
• 4 cards selected randomly from pack of 52 cards find the probability of selecting at most one heart card?
  
• How do you simplify #8/sqrt6#?
  
• 15% of 20 is _____? 3 30 300
  
• How do you solve this? #4^x=2^(x-1)-8#
  
• How do you solve this? #4^x=2^(x-1)-8#
  
• How do you find the stationary points of a function?
  
• How do you solve # x/2 + 3 = 3#?
  
• How do you graph the function # f(x) = 2x#?
  
• How do you solve #\frac { 3} { 4} + \frac { 5} { x - 6} = \frac { 29} { 12}#?
  
• What is #((pi)/10)# in degrees?
  
• How do you convert polar equations to Cartesian equation given #r sec theta = 3#?
  
• How do you solve #(c + 1) ^ { 2} - 4( c + 1) + 3= 0#?
  
• How do you graph #\frac{k}{-14} \le 1# on a number line?
  
• If h(x)=3x+2 and h(f(x))=x then f(2)=?
  
• How do you find the equation of the tangent line #y=x-lnx# at #(e, e-1)#?
  
• How do you write a rule for the nth term of the geometric sequence given the two terms #a_2=4, a_5=256/27#?
  
• How do you find the sum of the arithmetic series of #6+12+18+...+96#?
  
• How do you find the slope and intercept of #y=3x-2#?
  
• How do you evaluate the function when x = -3, 0, and 2 for f(x) = 15x + 4?
  
• What are the first five terms of the sequence? #a_n=n^2+2#
  
• What is the slope of the line passing through the following points: #(–8, –6), (–3, 5) #?
  
• How do you integrate #int ln(e^(2x-1))dx#?
  
• A book on a shelf 2.0 meters above the floor has a mass of 1.5 kg. What is the gravitational potential energy of the book?
  
• Whate is the practical application of logarithm?
  
• How do you express #1/ [ (x-1)(x+2)(x-3)] # in partial fractions?
  
• Find the sum of arithmetic sequence Sum of integers between 6 and 30 ??
  
• How do I find the value of #sec (4pi)#?
  
• Question 3: What is the shape of the cross section taken parallel to the base of a square pyramid? Circle Rectangle Square Triangle
  
• How do you solve #- 7< 5 - 2y <= 1?#
  
• How do you solve #(2x+1)^2=x+2#?
  
• How do you solve #12x^2=48x#?
  
• What is the distance between #(2 , (5 pi)/4 )# and #(8 , (3 pi )/2 )#?
  
• What is the derivative of #y=sec^2 x + tan^2 x#?
  
• How to integrate #int 1/(1+(x+2)^2)dx# ?
  
• Is 8 a solution to #1/2x +9=13#? Why or why not?
  
• What real world example can be modeled by the expression #h+8#?
  
• How do you solve #|x ^ { 2} - 2x | = 35#?
  
• Integrate #int_1^2x\sqrt{x-1}dx# ?
  
• How do you solve #x=y+3# and #x-y^(2)=3y# using substitution?
  
• Differentiation of cos cube x?
  
• Solve for #x#? if #4=(1+x)^24#
  
• 6x^2-10x-16=0?
  
• Find the values of x and y? x+4iy=ix+y+3
  
• How do you factor completely #a^2 - 121b^2#?
  
• How do you find the first and second derivative of #(x^3-3x^2+8x+18)/x#?
  
• Given that #ab^x<k#, for some constant k>0, show that #x>log(1600/k)/log2# where log means log to any valid base.(4 marks)? Given #a = 1600 # and #b = 1/2 #
  
• How do you solve #10<2x-3/5?#
  
• How do you evaluate #\sin 80^ { \circ } \sec 10^ { \circ }#?
  
• Please answer calculus question, thank you! ?
  
• How do you factor #x^3-2x^2+x-2#?
  
• Compute given integral dx/x^2+2x from 6 to 8 ?
  
• How do you solve this quadratic equation #2x^2- 10+ 7=0#?
  
• How do you factor #4m(4 - m) + 3n(4 - m)#?
  
• How do you factor #2mn-n#?
  
• Find the sum of the series: #sum_{n=5}^ ∞ 6 / (n^2 - 3n)# ?
  
• How do you write the polar equation #r=3costheta# in rectangular form?
  
• What's the integral of #int (tanx/secx) dx#?
  
• Find #int_0^1f(x)dx# ?
  
• How do you factor by grouping #x^3+4x^2+8x+32#?
  
• Using #(1-cos2x)/(1+cos2x)=tan^2x#, how do you find the exact value of #tan(pi/8)#?
  
• What is the equation of the line with slope # m= 8/49 # that passes through # (2/7, 1/21) #?
  
• The sum of three consecutive odd integers is 189, what are the integers?
  
• How do you find #int sec^2x/(1-sin^2x) dx #?
  
• What is the derivative of #x^2#?
  
• The function #f# is defined by #f(x)=1-x^2#, #x sub RR#. Show that #f# is NOT one-to-one. Can someone help me please?
  
• Find the value? #(Tan85^@ - Tan25^@)/(1+Tan85^@Tan25^@)#
  
• What is the limit as x approaches infinity of #e^(-x^2)#?
  
• It is question about series topic geometric series?
  
• How do you find the value of #sin2theta# given #costheta=1/3# and #0<theta<90#?
  
• How do you find the limit #lim_(h->0)(sqrt(1+h)-1)/h# ?
  
• Improper integrals ? #int_e^oo(1)/(x*(ln x)^3)dx#
  
• How do you convert 5x-8y=7 into polar form ?
  
• How do you convert #r=sin2(theta) # in rectangular form?
  
• How do you evaluate #lim_(theta->0)# #((sin2thetatan3theta)/theta^2)#?
  
• How do you find #lim_(theta->0)# #((1-cos^2 theta)/theta ^2)#?
  
• How do you multiply and simplify #\frac { 2c + 5} { c ^ { 2} + 4c + 4} \cdot \frac { c ^ { 4} + 4c ^ { 3} + 4c ^ { 2} } { 2c + 5}#?
  
• How do you factor #20au - 12av -35xu + 21xv #?
  
• How do you find the derivative of #f(x)=ln (x^2+2)#?
  
• If x + 1 upon x = 4 then find the value of x square + 1 upon x square?
  
• Differenciate sinx to the power 5?
  
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