Solving quadratic equations

Practice Problems

Solve for x :

1 x2 − 49 = 0
2 x2 = 7x − 12
4 x2 + 9x + 1 = 0
5 x2 + 7x + 3 = 0

6 Rewrite the complex number in the form a + bi

7 Find the imaginary part of the complex number −3 − 5i

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