Question

1. The zeroes of the quadrartic polynomial x2+ax+a,a≠0,

(A)cannot both be positive (B)cannot both be negative
(C) are always unequal
(D)are always equal



2.The area of triangle formed by the lines y=x,x=6 and y=0 is


(A)36 sq unit
(B) 18 sq unit
(C)9 sq unit
(D)72 sq unit 3.



3. If ax2+bx+c=0 has equal roots,then c=

(A)-b/2a
(B)b/2a
(C)-b 2 /4a
(D)b2 /4a




4. The pair of linear equations x=y and x+y=0 has


(A)no common solution
(B)infinitely many solutions
(C)unique solution
(D)none of these




5. Sum of zeroes of quadratic equation 3x2 – 5x + 1 = 0 is
(A) 5/3
(B) -5/3
(C) 1/3
(D) -1/3​

Answer 1

Answer:

The zeroes of the quadrartic polynomial x2+ax+a,a≠0,

(A)cannot both be positive (B)cannot both be negative

(C) are always unequal

(D)are always equal

2.The area of triangle formed by the lines y=x,x=6 and y=0 is

(A)36 sq unit

(B) 18 sq unit

(C)9 sq unit

(D)72 sq unit 3.

3. If ax2+bx+c=0 has equal roots,then c=

(A)-b/2a

(B)b/2a

(C)-b 2 /4a

(D)b2 /4a

4. The pair of linear equations x=y and x+y=0 has

(A)no common solution

(B)infinitely many solutions

(C)unique solution

(D)none of these

5. Sum of zeroes of quadratic equation 3x2 – 5x + 1 = 0 is

(A) 5/3

(B) -5/3

(C) 1/3

(D) -1/3

Step-by-step explanation:

Sorry, just needed some points :)