| |
| The factors of 2x² - 7x - 39 are |
|
|
| |
a) (2x - 13) and (x + 3)
b) (2x + 13) and (x + 3)
c) (2x + 13) and (x - 3)
d) (2x - 13) and (x - 3)
|
|
|
|
|
|
|
| |
{-2, 3} is the solution of the quadratic equation
|
|
| |
a) x² + x – 6 = 0
b) x² - x + 6 = 0
c) x² - x – 6 = 0
d) x² + x + 6 = 0
|
|
|
|
| |
|
The values of y satisfying the equation 5(3y + 1)² + 6(3y + 1) – 8 = 0 are |
| |
a) (-1,
|
.GIF) |
) |
|
|
|
|
b) (-1, |
.GIF) |
) |
|
|
|
|
c) (1, |
|
) |
|
|
|
|
d) (1 |
|
) |
|
|
|
|
|
|
|
|
|
|
|
| |
| The nature of the roots of the equation 2x² + 6x + 3 = 0 are |
|
| |
a) Imaginary
b) Real and equal
c) Real and unequal
d) Irrational and unequal
|
|
|
|
| |
| Two natural numbers differ by 3. The sum of their squares is 117. The numbers are |
| |
a) (3, 6)
b) (9, 12)
c) (6, 9)
d) (12, 15)
|
|
|
|
|
|
Robert can do a piece of work in ‘x’ days. Mary can do the same work in (x + 16)
days. When both of them work together they can do the work in 15 days. What is the value of ‘x’?
|
| |
a) 22
b) 23
c) 24
d) 25
|
|
|
