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Quadratic Equations with
Complex Solutions
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Practice Page
Directions: Solve the following quadratic equations for the indicated variable.
They're back for Round 2.

1.
Solve using the quadratic formula and express answers in simplest a + bi form:
                  x2 - 4x + 5 = 0
spy2
       Choose:
 
4 ± 2i
2 ± i
 
-4 ± 2i
-2 ± i

 

2.
Solve for m and express the roots in terms of i :
            m2 + 25 = -8m
spy1
       Choose:
 
4 ± 3i
4 ± 2i
 
-4 ± 3i
-8 ± 6i



3.
Solve using the quadratic formula:
            qfmath3
spy5
       Choose:
 
qfmath3c
qfmath3b
  qfmath3d qfmath3a



4.
Express the roots in simplest a + bi form.
            2x2 = -3(2x + 3)
spy4
       Choose:
 
3 ± 2i
-3 ± 2i
  q4c q4d



5.
Solve the equation:
           x2 = 4x - 10
spy3
       Choose:
 
q5a
q5b
  q5c q5d




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