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Mathematics
9th
grade
Solving Quadratic Equations by Extracting the Square Roots
7 questions
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- 1. Multiple Choice
How many solutions are obtained by solving quadratic equations through extracting square roots?
1
2
3
4
- 2. Multiple Choice
Which of the following equations are solvable by extracting square roots?
x² - 3 = 0
(2x - 1)² - 4 = 2
5 + x = x²
x - 6x = 0
- 3. Multiple Choice
Which of the following are the solutions of 3y² = 75?
± 5
5
±5√3
- 5√3
- 4. Multiple Choice
What is the best way to start solving the equation ?
Extract the square roots of both sides
Rewrite the equation in standard form
Divide both sides by 2
Divide both sides by 288
- 5. Multiple Choice
Which of the following is true about the solutions of
?There is only one solution.
The solutions are imaginary numbers.
The solutions are 2 and –2.
The solutions are identical or repeated.
- 6. Multiple Choice
Find the solution of .
4
8
- 7. Multiple Choice
What are the solutions of ?
-1, 9
-1, -9
1, -9
1, 9
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