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
❤1🥰1👏1
For what value of 'k' does the quadratic equation 4x² - 12x - k = 0 have no real roots?
Anonymous Quiz
22%
k > -9
37%
k < -9
30%
k = -9
10%
k < 9
❤1🔥1🥰1🤯1
If α and β are the roots of x² - 2x + 3 = 0, what is the value of α² + β²?
Anonymous Quiz
17%
4
40%
10
38%
-2
4%
2
🤯1
The quadratic equation whose roots are 5 and -2 is:
Anonymous Quiz
38%
x² - 3x - 10 = 0
32%
x² + 3x - 10 = 0
25%
x² - 3x + 10 = 0
5%
x² + 3x + 10 = 0
😱4🥰1🤯1😢1
The perimeter of a rectangular field is 82 m and its area is 400 m². The breadth of the field is:
Anonymous Quiz
30%
25 m
41%
16 m
15%
9 m
13%
20 m
🥰1
The discriminant (D) of the quadratic equation 2x² - 4x + 3 = 0 is:
Anonymous Quiz
18%
8
55%
-8
22%
40
5%
-40
🥰1
For what positive value of k does the equation x² + kx + 64 = 0 have equal roots?
Anonymous Quiz
25%
8
45%
16
23%
32
6%
64
❤1🤯1
If the discriminant of a quadratic equation is greater than zero (D > 0), the roots are:
Anonymous Quiz
24%
Real and equal
27%
Not real
44%
Real and distinct
5%
Cannot be determined
❤1🤯1
If the roots of the equation ax² + bx + c = 0 are reciprocal of each other, then which condition is true?
Anonymous Quiz
20%
a = b
20%
b = c
26%
c = a
34%
a + b + c = 0
❤1🤯1
What are the roots of the quadratic equation x² - 5x + 6 = 0?
Anonymous Quiz
42%
2, 3
28%
-2, -3
21%
2, -3
9%
-2, 3
❤3
🥰3
If the equation x² - bx + 1 = 0 does not possess real roots, then:
Anonymous Quiz
25%
b > 2
32%
b < -2
31%
-2 < b < 2
11%
b = 2
❤6👍1
✅ Today's quiz on Notes PDF - Quadratic Equations is complete! Well done! 🎉
➡️ Tomorrow's Topic
Notes PDF - Arithmetic Progressions
📍 Channel: @cbse_class_10th_notes_pdf
See you tomorrow! 👋
NEXT QUIZ IN @CBSE_Boards_2024 in which quiz is going to start in 1 minute.
Notes PDF - Arithmetic Progressions
📍 Channel: @cbse_class_10th_notes_pdf
See you tomorrow! 👋
NEXT QUIZ IN @CBSE_Boards_2024 in which quiz is going to start in 1 minute.
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