Mathematics
Mathematics
Mathematics
100
Choose the correct answer:
The two st. lines 3x = 7 , 2y = 9 are ………
( // , ⊥ , coincident , intersecting)
intersecting
100
Choose the correct answer:
The two st. lines x + 5y = 1 , x + 5y – 8 = 8 are ………
(Parallel ,⊥ , coincident , intersecting)
parallel
100
Choose the correct answer:
The two st. lines x – 1 = 0 , y = 2k intersecting in 4th quad , then k maybe ………
( -5 , 0 , 1 , 5 )
-5
200
If b2 – 4ac = 0 in the equ. ax2 + bx + c = 0
, then the number of real solutions = ………
1
200
The S.S. of: x – y = 0 , xy = 9 in R × R is ………
{(-3 , -3) , (3 , 3)}
200
If x2 + xy = 15 , x + y = 5
, then x = ………
3
300
The square which is inscribed in a circle , its sides are ……… from the center of the circle.
equidistant
300
Find m ∠ B
30o
300
If ab = 3 , ab2 = 12
, then b = ………
± 2
400
Choose the correct answer:
If the set of zeroes of the function F(x) = x2 + K is Ø
, then K maybe equal ………
(25 , -25 , zero , -1)
25
400
If x + y = 7 , √x + y = 5
Find the S.S. in R × R
{(4 , 3)}
400
The set of zeroes of the function F(x) = zero is ………
R
500
Find the value of x
18o
500
A circle with a diameter (2x + 5)cm. , the st. line L is at distance (x + 2) cm. from the center
, then the st. line L is ……… with respect to the circle.
A secant
500
If the set of zeroes of the function
F(x) = ax2 + x + b is {0 , 1}
Find a , b
a = -1 , b = 0