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📢 Today's Quiz Topic
Notes PDF - Quadratic Equations
⏰ The quiz will start in 10 seconds! Get ready! 🧠
Notes PDF - Quadratic Equations
⏰ The quiz will start in 10 seconds! Get ready! 🧠
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Which constant must be added and subtracted to solve the quadratic equation 9x² - 15x + 6 = 0 by the method of completing the square?
Anonymous Quiz
26%
25/4
49%
25/16
21%
5/2
4%
15/2
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The roots of the equation x² + 2√2x - 6 = 0 are found using the quadratic formula. What are the roots?
Anonymous Quiz
36%
√2, -3√2
38%
-√2, 3√2
12%
2√2, -√2
14%
Both are imaginary
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What is the product of the roots of the quadratic equation x² - 9 = 0?
Anonymous Quiz
33%
9
33%
-9
24%
3
10%
0
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The standard form of a quadratic equation is ax² + bx + c = 0. What is the mandatory condition for 'a'?
Anonymous Quiz
26%
a > 0
19%
a < 0
17%
a = 0
38%
a ≠ 0
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If one root of the equation 2x² + kx - 6 = 0 is 2, what is the value of k?
Anonymous Quiz
19%
1
28%
2
39%
-1
14%
-2
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Which of the following expressions represents a quadratic equation?
Anonymous Quiz
33%
x³ - 2x + 1 = 0
23%
x + 1/x = 3
22%
(x-2)² = x² + 5
23%
x(x+1) + 8 = (x+2)(x-2)
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The sum of a number and its reciprocal is 10/3. Which quadratic equation represents this situation?
Anonymous Quiz
40%
3x² - 10x + 3 = 0
31%
3x² + 10x - 3 = 0
18%
10x² - 3x + 10 = 0
10%
x² - 10x + 3 = 0
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What is the sum of the roots of the quadratic equation 3x² + 7x - 1 = 0?
Anonymous Quiz
22%
7/3
51%
-7/3
17%
1/3
10%
-1/3
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