The roots of the quadratic equation 2x2 + 7x + 3 = 0 is _______.
-3, -1/2
3, 1/2
-3, 1/2
3, -1/2
The standard form of homogenous expression of first degree in two variables x and y is _________.
ax + by
x2 + y2
xy
x2y + y2x
If p and q are the roots of x2 + 8x + 15 = 0. Then the value of p2 + q2 is ___________.
64
30
34
48
The quadratic equation whose roots are √3 and -√3 is _________.
x2 - 3x + 1 = 0
x2 + 3x + 3 = 0
x2 + 3 = 0
x2 - 3 = 0
Which of the following is the discriminant of the equation 3x2 + 2x - 1 = 0?
8
-8
12
16
The middle term of the expansion of ( x/y + y/x )8 is ____________.
8c3
8c4
8c5
8c6
Which of the following equation has products of roots zero?
x2 + 8x + 16 = 0
x2 - 8x + 16 = 0
x2 - 8x - 1 = 0
x2 - 5x = 0
One root of the equation x2 - 3x + p = 0 is -2. Then value of p is _________.
10
-10
2
-2
If m and n are the roots of x2 - 7x + 6 = 0, then value of m2n + mn2 is _________.
42
-42
32
-32
The sum of a number and its square is 30. The number is _____.
6
5
-5
7
