MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
CBSE
Class 10 Maths
Quadratic Equations
Quiz 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
The quadratic equation 2x² - √5x + 1 = 0 has
0%
two distinct real roots
0%
two equal real roots
0%
no real roots
0%
more than 2 real roots
Explanation
no real roots
Which of the following equations has two distinct real roots?
0%
2x² - 3√2x + \(\frac{9}{4}\) = 0
0%
x² + x - 5 = 0
0%
x² + 3x + 2√2 = 0
0%
5x² - 3x + 1 = 0
Explanation
x² + x - 5 = 0
Which of the following equations has no real roots?
0%
x² - 4x + 3√2 = 0
0%
x² + 4x - 3√2 = 0
0%
x² - 4x - 3√2 = 0
0%
3x² + 4√3 +4 = 0
Explanation
x² - 4x + 3√2 = 0
(x² + 1)² - x² = 0 has
0%
four real roots
0%
two real roots
0%
no real roots
0%
one real roots
Explanation
no real roots
Which constant must be added and subtracted to solve the quadratic equation 9x² + \(\frac{3}{4}\) x - √2 = 0 by the method of completing the square?
0%
\(\frac{1}{8}\)
0%
\(\frac{1}{64}\)
0%
\(\frac{1}{4}\)
0%
\(\frac{9}{64}\)
Explanation
\(\frac{1}{64}\)
Which of the following is not a quadratic equation?
0%
2(x - 1)² = 4x² - 2x + 1
0%
2x - x² = x² + 5
0%
(√2x + √3)² + x² = 3x² - 5x
0%
(x² + 2x)² = x
4
+ 3 + 4x³
Explanation
(√2x + √3)² + x² = 3x² - 5x
Which of the following equations has 2 as a root?
0%
x² - 4x + 5 = 0
0%
x² + 3x - 12 = 0
0%
2x² - 7x + 6 = 0
0%
3x² - 6x - 2 = 0
Explanation
2x² - 7x + 6 = 0
If \(\frac{1}{2}\)is a root of the equation x² + kx - \(\frac{5}{4}\) = 0 then the value of k is
0%
2
0%
-2
0%
\(\frac{1}{4}\)
0%
\(\frac{1}{2}\)
Explanation
2
Which of the following has the sum of its roots as 3?
0%
2x² - 3x + 6 = 0
0%
-x² + 3x + 3 = 0
0%
√2x² - \(\frac{3}{√2}\)x + 1 = 0
0%
3x² - 3x + 3 = 0
Explanation
-x² + 3x + 3 = 0
If a and b are the roots of the equation $x^2 - 7x + 8 = 0$, what is the value of $\frac {1}{a}+ \frac {1}{b}$?
0%
3/4
0%
7/8
0%
1/2
0%
None of these
For what values of k does the quadratic equation $x^2+2(k-4)x+2k=0$ have no equal roots?
0%
2
0%
8
0%
5
0%
None of these
The length of a rectangle exceeds its width by 8 cm and the area of the rectangle is 240 sq. cm. Find the perimeter of the rectangle?
0%
28 cm
0%
36 cm
0%
40 cm
0%
None of these
The discriminant of the quadratic equation (x-3)(x-4)=0
0%
0
0%
1
0%
-1
0%
2
which of these is not a quadratic equation?
0%
$2x^2-6x+5=0$
0%
$(x - 2)(x + 1) = (x - 1)(x + 3)$
0%
$(2x - 1)(x - 3) = (x + 5)(x - 1)$
0%
None of these
The hypotenuse of the right angle triangle is 13 cm, The difference of other two sides is 7 cm,The sum of other two sides is ?
0%
18
0%
17
0%
13
0%
None of these
Which is not the root of the quadratic equation $x^2-6x+5=0$
0%
1
0%
5
0%
6
0%
None of these
The quadratic equation $x^2-2x+6=0$ has ?
0%
No real roots
0%
two distinct real root
0%
One root
0%
None of these
The sum of ages of a son and his father is 36 years and the product of their ages isThe difference of father and son age is
0%
30
0%
26
0%
24
0%
None of these
which of these is the condition for imaginary roots
0%
$b^2 -4ac > 0$
0%
$b^2 -4ac < 0$
0%
$b^2 -4ac = 0$
0%
None of these
For what values of p, the roots of the equation are real? $x^2 + 4x -p=0$
0%
$p \geq -4$
0%
$p \geq 4$
0%
$p \leq -4$
0%
$p \leq -4$
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
0
Answered
0
Not Answered
0
Not Visited
Correct : 0
Incorrect : 0
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page