Solving Quadratic Equations By Using The Quadratic Formula Worksheet With Answers Page 2
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419-5 Solving Quadratic Equations by Using the Quadratic Formula
The solutions are 8 and 2.
2
3. x
− 8x = −10
SOLUTION:
Write the equation in standard form.
For this equation, a = 1, b = –8, and c = 10.
The solutions are 6.4 and 1.6.
2
4. x
+ 3x = 12
SOLUTION:
Write the equation in standard form.
For this equation, a = 1, b = 3, and c = –12.
The solutions are 2.3 and –5.3.
2
5. 10x
− 31x + 15 = 0
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Page 2
SOLUTION:
For this equation, a = 10, b = –31, and c = 15.
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