Answers created by michael

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• What is the equation of the line normal to # f(x)=(x-1)^2/(x^2+2) # at # x=1#?
  
• How do you differentiate #y=4x^0.5-8lnx#?
  
• If #y = cosx^3sin^2(x^5)#, what is #dy/dx#?
  
• How much heat is released when a 10.0 g sample of iron cools from 75.0 C to 25.5 C? The specific heat capacity of iron is 0.449 J/g?
  
• Hexane (bp = 69°C) is placed in a closed container Liquid 1211 temperature. At first, the pressure of the vapor phase oom increases, but after a short time, it stops changing. Why?
  
• Question #a30c5
  
• How do you simplify #\frac { 6x - 3} { 2x ^ { 2} + 7x - 4} \div \frac { 15} { x ^ { 2} - 16}#?
  
• How do you factor #2x^8+2x-10)#?
  
• Question #dc53c
  
• How do you find the intercept and vertex of #y=(x+5)(x+3)#?
  
• How do you solve #4^(3-2x)=5^-x#?
  
• How do you solve the equation #2x^2+16=x^2+7#?
  
• Question #559dc
  
• What gas law is illustrated by this picture?
  
• The pH scale runs from a low of what?
  
• How do you find the minimum and maximum value of #y=-(x-3)^2-4#?
  
• How do you find the slope that is perpendicular to the line #4x+5y= -5#?
  
• How do you factor #4-4y^2+y^4#?
  
• How does a barium atom become a barium ion with a #2^+# charge?
  
• How do you solve the equation #4^(2x-5)<=3^(x-3)#?
  
• How do you write #y=3/4x+1# in standard form?
  
• Using the equation, #Fe_2O_3 + 2Al -> 2Fe + Al_2O_3#, how many grams of #Al# are needed to completely react with 135 grams of #Fe_2O_3#?
  
• How do you solve #\frac { 2 b - 5 } { b - 2 } - 2 = \frac { 3 } { b + 2 }#?
  
• Question #34559
  
• What is the change in state from a solid to a liquid called?
  
• How do you solve #3( 2- 5x ) + 5( 3x + 1) \geq \frac{1}{2} ( - 30)#?
  
• How do you solve #5x + 7= 3x + 11#?
  
• How do you factor #5x^{2} = 8x - 3#?
  
• How do you simplify #\frac{x - 12}{3- x} = \frac{x + 8}{x + 12}#?
  
• What is the equation of the line that passes through the points #(-1,6)# and #(2, 6)#?
  
• Are the lines #7+2y=5# and #2x-7y=5# perpendicular?
  
• What is the name of the compound #CO_2#?
  
• How do you solve #3( k - 69) = 87#?
  
• How do you solve #6- 3x=5x +6#?
  
• How do you factor #-50n^{2} - 5n - 35#?
  
• How do you solve #2|2x-2|+4=20#?
  
• How do you solve #3( y - 8)^{2} = 96#?
  
• How do you factor #12x^{3} - 40x^{2} + 12x#?
  
• How do you graph #y=(x^2-4)/(x+1)# using asymptotes, intercepts, end behavior?
  
• How do you determine p(c) given #p(x)=x^4-2x^2+4# and c=3/2?
  
• How do you simplify #\frac{x^{2} y^{3}}{x y^{2}}#?