Quadratic Functions Worksheet Page 2
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1
2
3
42
7. x
+81
– 72
2
8. 2x
#9-11. Write the expression as a complex number in standard form.
9. (5 + 3i) – (2 – 9i)
10. (3 + 5i)(4 - 2i)
3 5
i
11.
8 2
i
#12-15. Solve the quadratic equation. Pay attention to the method restrictions on each question.
+ 7x = 0 Method: can’t use quadratic formula
2
12. x
2
13. 3x
- 3x = -13 Method: must use quadratic formula
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