Question

Acc. to Fundamental Theorem of Arithmetic any ………………no. can be expressed as a product of prime.

a)even b)odd c)prime d)composite

2. Following equation is a : (x – 3)(2x +1) = x(x + 5)

a)linear b)quadratic c)cubic d)biquadratic

3. A quadratic polynomial whose zeroes are 5 and -5.

a)

2 + 25 b)

2 − 25 c)

2 + 50 d)

2 − 50

4. What is the shape of graph of quadratic polynomial.

a)straight line b)parabola c)any type of curve d)can’t be determine

5. What is the HCF of smallest prime number and the smallest composite number?

a)1 b)2 c)3 d)4

6. If d=HCF(48,72),find the value of d.

a)8 b)12 c)24 d)none of these

7. Two numbers have 18 as their HCF and ……… as their LCM.

a)50 b)54 c)100 d)70

8. 10 end with digit zero, where n is some …………. number.

a)whole b)natural c)rational d)prime

9. For what value of K, 3 is a zero of the polynomial 2

2 + + ?

a)4 b)6 c)10 d)none of these

10. What is the degree of a biquadratic polynomial?

a)2 b)1 c)3 d)4

11. The pair of linear equations has how many solutions: x+2y+5=0 and -3x-6y+1=0.

a)1 b)2 c)infinitely many d)0

12. Find the solution of equations Y=0 and Y=-6.

a)no solution b)unique solution c)infinitely many d)none

13. Find the nature of lines representing the linear equations 2x-y=3 and 4x-y=5.

a)intersecting lines b)parallel c)coincide d)none of these

14. For which value of c, the pair of equations 2x+2y=8 and 8x+10y =c have a unique solution?

a)1 b)2 c)4 d)none of these​

Answer 1

$\huge\pink{\mathtt{Answer}}$

1. composite.

2. quadratic equation.

4. parabola

5. 4

6. 24

10. 4

11. 1

HOPE THIS HELPS..srry battery i dead!