Help Me WITH ALGEBRA

May 15th, 2015
Anonymous
Category:
Engineering
Price: $5 USD

Question description

3. What value should be added to the expression to create a perfect square?

x2 – 10x

(Points : 4)



8. Calculate the discriminant and use it to determine how many real-number roots the equation has.

3x2 – 6x + 4 = 0

(Points : 4)
  
  
  
  

Question 9.9. Without drawing the graph of the equation, determine how many points the parabola has in common with the x-axis and whether its vertex lies above, on, or below the x-axis.

y = 2x2 + x – 3

(Points : 4)
  
  
  
  

Question 10.10. Without drawing the graph of the equation, determine how many points the parabola has in common with the x-axis and whether its vertex lies above, on, or below the x-axis.

y = 4x2 – 12x + 12

(Points : 4)
  
  
  
  

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