Quadratic equations (Maths)
Quadratic Equations Challenge
Test your knowledge of quadratic equations with this engaging quiz! Perfect for students and math enthusiasts, this quiz will assess your understanding of various concepts related to quadratic equations.
Key Features:
- Multiple choice questions
- Challenging problems
- Immediate feedback on answers
1.The polynomial equation x(x+1)+8=(x+2)(x-2) is
A. Quadratic equation
B. Linear equation
C. None of these
D. Cubic equation
2.The roots of the quadratic equation x+1/x=3 , x≠0 are....
A. 2+√5/2 ,2-√5/2
B. 3+√5,3-√5
C. 3+√5/2,3-√5/2
D. 2+√5,2-√5
3.The equation 2x²+kx+3=0 has two equal roots ,then the value of k is ...
A.±√6
B.±3√2
C.±2√6
D.±4
4.A biquadratic equation has a degree
A. 1
B. 2
C. 4
D. O
5. The equation (x-2)²+1=2x-3 is a
A. Cubic equation
B. Bi-quadratic equation
C. Quadratic equation
D. Linear equation
6. Which is not a quadratic equation
A. x²+3x-3
B. x²-9
C. x³-x²-x
D. 3+x+x²
7.The quadratic equation whose one root is 3+√2
A. x²+7x+6
B. x²-7x+6
C. x²-6x+7
D. x²-7x+5
8. The quadratic equation whose roots are 1 and -1/2
A. 2x²-x-1
B. 2x²+x-1
C. 2x²-x+1
D. 2x²+x+1
9. The sum of the quadratic equation 3x²-9x+5 is
A. 3
B. -3
C. 7
D. 6
10.Two positive numbers are inthe ratio 2:5 . If the difference between the squares of these numbers is 189,Find the numbers ?
A. 6 and 15
B. 7 and 16
C. 10and 25
D. 22 and 55
11. A two digit number is such that product of the digits is 35 .When 18 is added to this number the digits interchange their positions .Determine the number?
A. 75
B. 57
C. 45
D. 25
12. The sides of a right triangle are x-1,x and x+1 ,find the sides ?
A. 3,4,5
C. 5,6,7
D.13,12,5,25,24,7
13. What is the nature of the roots of the equation 2x²+2x+3?
A.real and distinct
B.real and equal
C.imaginary
D.NONE
14. If the value of discriminant is more than zero,roots are
A. Real and complex
B.real and unequal
C. Real and equal
D. No roots possible
15. For what value of m,are the roots of the equation (3m+1)x²+(11+m)x+9=0 are equal?
A. 85 or 1
B.17 or 2
C. 13 or 5
D. 7 and 8
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