Answers created by Tiffany Quach

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• How do you simplify #(9 - sqrt2) (7 + sqrt2)#?
  
• How do you write a polynomial in standard form, then classify it by degree and number of terms #x+2x^2#?
  
• How do you solve #x^2 - 3x - 4 = 0# using the quadratic formula?
  
• How do you find the x and y intercepts for #3x+y=6#?
  
• What is the slope of any line perpendicular to the line passing through #(-4,8)# and #(2,-7)#?
  
• How many significant digits does the number 0.0034 have?
  
• A compound is found be 36.5% #Na#, 25.3% #S#, and 38.0% #O#. What is its empirical formula?
  
• What is the number of moles in 9.63 L of #H_2S# gas at STP?
  
• What is the x-intercept of #y=2(x-5)+7#?
  
• How do find 51 divided by ( -17)?
  
• How do you simplify #4sqrt3+sqrt2-4sqrt2#?
  
• How would you arrange the following elements in order of increasing ionization energy: Te, Pb, Cl, S, Sn?
  
• How do you simplify #-2 3/4 * 8/9#?
  
• How do you find the x and y intercept given #2x+5y=3 #?
  
• Why do atoms join to form bonds?
  
• What is the difference between atomic mass and mass number?
  
• What is 0.00124658 rounded to 2 significant figures?
  
• What is the leading term, leading coefficient, and degree of this polynomial #F(x) = 5 + 2x + 3x^2 + 4x^3#?
  
• What is the end behavior for #F(x)=x^3 -5x+1 #?
  
• How do you write #0.0050004# in scientific notation?
  
• Is (2,3),(-4,5),(2,-7),(7,-2) a function?
  
• How do you write 6 1/2 an improper fraction?
  
• How do you find a one-decimal place approximation for #-sqrt20#?
  
• What is the quadratic formula of #3x² + 10x – 2 = 0#?
  
• Which group of elements has the highest ionization energies?