Answers edited by AJ Speller

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• How do I find the binomial expansion of #(2x+1)^4#?
  
• How do you solve for f in #\frac{7f}{11} = \frac{7}{11}#?
  
• How do you simplify first and then solve #−(1 + 7x) − 6(−7 − x) = 36#?
  
• What is the limit as x approaches infinity of #xsin(1/x)#?
  
• Find the limit as x approaches infinity of #xsin(1/x)#?
  
• What is the product of #3+2i# and #1+7i#?
  
• How do you find the derivative of #cos[sqrt (x)]#?
  
• How do i graph the exponential function #f(x)=3^x# on a TI-84?
  
• How do you simplify #5/6 - (-1/3)#?
  
• How do I find a definite integral on a TI-84?
  
• How do you use PEMDAS?
  
• How do you solve #-5y-9=74#?
  
• What is the smallest of the three numbers if the sum of three consecutive numbers is 72?
  
• How do you solve #3(x - 1) - 2(x + 3) = 0#?
  
• What are the x-intercepts of the graph of #y = cos x#?
  
• What is the definite integral of #sec^4 x# from 0 to #pi/4#?
  
• What is the discriminant of #x^2+2x+8=0#?
  
• What is the vertex of #f(x)=7-x^2#?
  
• How do I calculate the angle between two vectors?
  
• How do you show a line is a tangent to a curve?
  
• How do I find the equation of the line which passes through the points #(8, 1)# and #(-2, 3)#?
  
• How do you solve for x in # x - \frac{5}{6} = \frac{3}{8}#?
  
• How do you simplify #7(x+2)#?
  
• What does completing the square mean?
  
• How do I graph the ellipse with the equation #(x−6)^2/36+(y+4)^2/16=1#?
  
• How do I find the dot product of vectors #v =2i-3j# and #w= i-j#?
  
• How do I convert the equation #-9x^2 +4y^2 +72x-16y =164# to standard form?
  
• What does it mean to solve a system of equations by substitution?
  
• How do I find the domain of #y=1/x#?
  
• If #f(x) = x^2 + 3x# and #g(x) = 4x - 1#, what is #(f@g)(x)#?
  
• What is the relationship between the Average rate of change of a fuction and derivatives?
  
• How do I use long division to simplify #(4x^3-2x^2-3)/(2x^2-1)#?
  
• What is an example of a graph that fails the vertical line test?
  
• How do you simplify #1/2*2/3*3/4#?
  
• If #f(x) = x + 3# and #g(x) = 2x - 7#, what is #(f@g)(x)#?
  
• How do you solve #3x - y = 10# and #-x + y = -4#?
  
• What is the vertex form of #y= 8x^2+3x-2 #?
  
• Do I need to complete the square if #f(x) = x^2 - 6x + 9#?
  
• How do you solve for x in #x + 11 = 7#?
  
• What is the center of the ellipse represented by #(x-6)^2/36+(y+4)^2/16=1#?
  
• How do you solve #\frac{5q-7}{12} = \frac{2}{3}#?
  
• How do you evaluate #log_15 (1/225)#?
  
• What are the approximate rectangular coordinates for the point with polar coordinates #(5, 30°)#?
  
• How do you solve for y in #\frac{3}{4} = - \frac{1}{2} \cdot y#?
  
• How do I convert polar coordinates #(6, 60^circ)# to rectangular coordinates?
  
• How do I find the slope of a curve at a point?
  
• How do you graph #y=2 cos(-x)+3#?
  
• How do I convert the polar equation #r=10 sin theta# to its Cartesian equivalent?
  
• Question #c1a8e
  
• How do you use the vertical line test?
  
• How do you use the quotient rule to find the derivative of #y=(e^x+1)/(e^x-1)# ?
  
• What do the variables "m" and "b" represent?
  
• How do you Use implicit differentiation to find the equation of the tangent line to the curve #x^3+y^3=9# at the point where #x=-1# ?
  
• How do you differentiate #f(x)=-3tan4x^2# using the chain rule?
  
• How do you solve #-m+3=3#?
  
• What is the definite integral of #x^3# from 1 to 2?
  
• How do you differentiate #f(x)=cos(x^2-x) # using the chain rule?
  
• How do you solve #-2.1y-3=-1.8#?
  
• How do I use logarithms to solve for #x# if #7^(2x-1)=316#?
  
• How do I find the partial-fraction decomposition of #(3x^2+2x-1)/((x+5)(x^2+1))#?
  
• How do you find the area under the graph of #f(x)=cos(x)# on the interval #[-pi/2,pi/2]# ?
  
• How do I graph a function like #f(x) = 3x^2 - 7x + 11# on a TI-84?
  
• How do I use the limit definition of derivative to find #f'(x)# for #f(x)=1/sqrt(x)# ?
  
• How do you distribute #13x(3y + z)#?
  
• How do you find the area under the graph of #f(x)=x^2# on the interval #[-3,3]# ?
  
• How do you solve #2sin^2x + sinx =0# from #[0,2pi]#?
  
• How do I find the foci of an ellipse if its equation is #x^2/16+y^2/36=1#?
  
• How do I find derivatives of radicals like #sqrt(x)#?
  
• How do you find the area under the graph of #f(x)=sin(x)# on the interval #[-pi,pi]# ?
  
• How do you find an equation of the line tangent to the curve at the given point #x^3+y^3=36xy# given point (18,18)?
  
• How do you solve #-(m+4)=-5#?
  
• How do you check that the solution is 9 for the equation #3(x - 1) - 2(x + 3) = 0#?
  
• What is the vertex of #f(x)=7-x^2#?
  
• How do you solve for x in #3(x-1) = 2 (x+3)#?
  
• What is the vertex of #f(x)=7-x^2#?
  
• Is every straight line the graph of a function?
  
• How do I find a quotient using long division of polynomials?
  
• What is the derivative of #f(x)=ln(x)/x# ?
  
• How do you find the equation of the tangent line to the curve #y= x + cos x# at (0,1)?