MOCK TEST
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QD P-2
Name
If a>0, b>0, c>0 the both the roots of the equation ax
2
+bx+c = 0
Real & Negative
Negative real parts
rational number
None of the above
Roots of ax
2
+ b =0 are real and distinct, if
ab>0
ab<0
a,b>0
a,b<0
For what value of K will equation x
2
-(3k-1)x+2k
2
+2k have equal roots
5
9
Both a and b
0
Product of real roots of the equation t
2
x
2
+|x|+9 = 0
always positive
always negative
does not exist
None of these
If x is real the the max. and mini. values of expression x
2
+14x+9 / x
2
+2x+3
4, -5
5, -4
-4, 5
-4, -5
If x is real the function (x-a)(x-b)/(x-c) will assume all real values, provided
a >b > c
a< b < c
a > c <b
a < c < b
If the roots of the equation x
2
-2ax+a
2
;+a-3 are real and less than 3, then
a < 2
2<=a<=3
3 < a <=4
Option 4