Question 1  	 1 points    	 Save   
  	Solve the following quadratic equation by using the quadratic formula: 4x2 + x - 6
Question 1 answers
		
		
		
		

Question 2 text   Question 2 	1 points   	Save  
  	A quadratic equation is a _______ order trinomial.
Question 2 answers
		2nd
		3rd
		1st
		5th

Question 3 text   Question 3 	1 points   	Save  
  	The discriminant is equal to:
Question 3 answers
		b2 - 4ac
		b2
		b
		4ac

Question 4 text   Question 4 	1 points   	Save  
  	If the discriminant is negative, then:
Question 4 answers
		There are two real roots
		There is an infinite number of real roots
		There are no real roots
		There is one real root

Question 5 text   Question 5 	1 points   	Save  
  	The type of graph a quadratic equation produces is called a _______.
Question 5 answers
		circle
		polynomial
		parabola
		line

Question 6 text   Question 6 	1 points   	Save  
  	If the discriminant is zero, then:
Question 6 answers
		There are two real roots
		There are no real roots
		There is one real root
		There is an infinite number of real roots

Question 7 text   Question 7 	1 points   	Save  
  	Determine if this quadratic equation has one, two, an infinite number or no real roots: y = x2 - 3x + 1
Question 7 answers
		There is one real root.
		There are two real roots.
		There are no real roots.
		There are an infinite number of real roots.

Question 8 text   Question 8 	1 points   	Save  
  	A ____ of a quadratic equation is the x-coordinate of where the graph touches the x-axis.
Question 8 answers
		factor
		square
		root
		negative variable

Question 9 text   Question 9 	1 points   	Save  
  	If the discriminant is positive, then:
Question 9 answers
		There are two real roots
		There are no real roots
		There is one real root
		There is an infinite number of real roots

Question 10 text   Question 10 	1 points   	Save  
  	Is 0 a root of this equation? y = x2
Question 10 answers
		Yes
		No

Question 11 text   Question 11 	1 points   	Save  
  	Find the roots of this equation: y = (x - 3) · (x + 1)
Question 11 answers
		x = -3, 1
		x = -3, -1
		x = 3, 1
		x = 3, -1

Question 12 text   Question 12 	1 points   	Save  
  	State the quadratic formula:
Question 12 answers
		
		ax2 + bx + c
		
		

Question 13 text   Question 13 	1 points   	Save  
  	Is 3 a root of this equation: y = (x - 3) · (x - 2)?
Question 13 answers
		Yes
		No

Question 14 text   Question 14 	1 points   	Save  
  	Determine if this quadratic equation has one, two, an infinite number or no real roots: y = 3x2
Question 14 answers
		There is one real root.
		There are two real roots.
		There are no real roots.
		There are an infinite number of real roots.

Question 15 text   Question 15 	1 points   	Save  
  	Determine if this quadratic equation has one, two, an infinite number or no real roots: y = 2x2 - 2x + 2
Question 15 answers
		There is one real root.
		There are two real roots.
		There are no real roots.
		There are an infinite number of real roots.