Question

Choose the correct answer from the given alternatives.
a) A quadratic polynomial with zeros are 3 + V2 and 3 - vis
1
1) *' + 6x + 5 ) *- 6x + 5 wi) -6X-5 iv) X+6x-5
b) if the graphs of the system of linear equations in two variables intersect
each other at a single point, then they have
1
i) no solution
il) unique solution
ii) two solutions
1) infinitely many solutions
c) The discriminant of the quadratic equation 2x +9 is
1
i) 113 ii) 49
in) 0
iv) - 113
d) The 8th term of an AP is 17 and its 14'' term is 29. The common
difference of the AP is:
1
13
ii) 2
1) 5
iv)-2
e) A is a point on y-axis at a distance of 4 units from x-axis lying below
x-axis. The coordinates of A are
1
0 (40) H) (0,4) iii) - 4,0) iv)(O, -4)
111+ tano + seco) (1 + cote - cosec) =
io
ill) 2 M) - 1
g) If tangents PA and PB from a point P to a circle with centre o are
Indined to each other at angle of 80°. Then POA is equal to
1360° 1870° iv)80°
1)50​

Answer 1

Answer:

Choose the correct answer from the given alternatives.

a) A quadratic polynomial with zeros are 3 + V2 and 3 - vis

1

1) *' + 6x + 5 ) *- 6x + 5 wi) -6X-5 iv) X+6x-5

b) if the graphs of the system of linear equations in two variables intersect

each other at a single point, then they have

1

i) no solution

il) unique solution

ii) two solutions

1) infinitely many solutions

c) The discriminant of the quadratic equation 2x +9 is

1

i) 113 ii) 49

in) 0

iv) - 113

d) The 8th term of an AP is 17 and its 14'' term is 29. The common

difference of the AP is: