User Forum

Subject :Sam    Class : Sample



A
B
C
D


Ans 1:

Class : Class 10

Ans 2:

Class : Class 10
b is negative because -b/2a is minimum value of x for which equation satisfies which is veSo, -(-ve)/2( ve) is positive so b need to be negative

Ans 3:

Class : Class 10
where a, b,and c indicate

Ans 4:

Class : Class 10
'a' is positive as the parabola is opened upwards and 'c' is negative as it cut negative(-ve) X-Axis. Not sure about 'b'.

Ans 5:

Class : Class 10
i know that 'c' must be negative as it is touching y axis

Ans 6:

Class : Class 10
'a'must be positive but not sure about b and c

Ans 7:

Class : Class 10

Ans 8:

Class : Class 10
b is negative because -b/2a is minimum value of x for which equation satisfies which is veSo, -(-ve)/2( ve) is positive so b need to be negative

Ans 9:

Class : Class 10
a is positive as the parabola opens upward, c is negative as it cuts negative y axis at p and b is negative

Post Your Answer