Answers edited by David O.

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• What are the foci of the ellipse given by the equation 16x^2 + 9y^2 + 64x + 108y + 244 = 0??
  
• How do you simplify #sqrt80+sqrt20#?
  
• How do you find the exact value of sin ( sin^-1 3/8)?
  
• How do you factor #x^(-3/2) + 2x^(-1/2) + x^(1/2)#?
  
• How do you simplify #sqrt(24x^3yz)#?
  
• How do you find the length of the curve for #y=x^(3/2) # for (0,6)?
  
• How can I simplify this trigonometry expression? Thanks!
  
• What answer ? y = x2 + 7x – 5 can be written in the form y = (x + a)2 + b.
  
• If #f(x) = sqrt(x - 5)#, for #x ≥ 5#, what is the inverse of #f(2)# ?
  
• Find the angle between the tangents to the circle x² + y² - y -3 =0 at the point where x=1 and find their point of intersection?
  
• Solve this equation? I don't get it.
  
• What is the inverse function of #f(x)=(x+1)^2#?
  
• Given that the inverse of h(a) = 3, what is the value of a ?
  
• In a regular polygon the wxterior angle is one fifth of an interior angle. How many sides has the polygon?
  
• How does exponential growth differ from logistic growth?
  
• How do you solve #7u-10u^2=1#?
  
• How do you graph #x^2+y^2-6x-14y+42=0#?
  
• What is the equation of the tangent line of #f(x) =((x-1)^3(x^2+2))/(e^x-1)^4# at #x=2#?
  
• What are all square roots of #100/9#?
  
• How do you write the algebraic expression for "the sum on two consecutive number"?
  
• How do you differentiate #(3+2x - x^2)^(1/2)#?
  
• Suppose the probability that it will rain tomorrow is 0.7. (a) What are the odds that it will rain tomorrow? (b) What are the odds that it will not rain tomorrow?
  
• How do you find the distance between (-3,0) and (4,0)?
  
• How do you differentiate #[(2x^3) - (4x^2) + 3] / x^2 #?
  
• What are the intercepts for #Y=-2x^2-8x+6#?
  
• How do you find the exact value of 3 over the square root of 8?
  
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