Answers edited by seph

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• How do I use scientific notation to write 15,800?
  
• How do I convert scientific notation to decimal?
  
• How do I graph #(x+2)^2/9+(y-3)^2/25=1# algebraically?
  
• How do you graph an ellipse written in general form?
  
• How do you convert standard form to scientific notation?
  
• How do you solve #(x+2)/7 - (x-4)/8 = 3#?
  
• Question #f69b8
  
• What is the sum of the integers from -2007 through +2009, inclusive?
  
• If the third term of a geometric sequence is 36 and the eighth term is 8748, how do you find the first term?
  
• What is a left-hand limit?
  
• Question #7ede7
  
• Can a rectangle be a rhombus?
  
• Two opposite sides of a parallelogram each have a length of #12 #. If one corner of the parallelogram has an angle of #(5 pi)/6 # and the parallelogram's area is #24 #, how long are the other two sides?
  
• How do I find the directrix of the parabola whose equation is #y=x^2/32#?
  
• How do you multiply monomials by polynomials?
  
• What is the limit of #x^2#?
  
• How do I complete the square if the coefficient of #x^2# is not 1?
  
• How do you solve #(x-4)(x+3)<0# using a sign chart?