Algebra

What must be added to the expression (4a² + 9b²) so that the same is a perfect square?

If x is doubled and y is tripled in the expression z = (4x/y), then the value of z is _____.

What is the slope of a line containing the points (1, 13) and (-3, 6)?

Quantity A = 4/100 and Quantity B = 0.012/3

If x + 1/x = 3 then x − 1/x =?

The roots of the equation 9x² - bx + 81 = 0 will be equal, if the value of b is

The displacement of a particle S at time/is modelled by S = 10t - t². Find the displacement after 2 seconds.

What is the sum of the numbers from 1 to 99?

If x + (1/x) = 3, then x - (1/x) =?

If A > B, B > C and C > D, then which of the following conclusions is definitely wrong?

If two non-zero positive integers p and q are such that p = 4q and p < 8, then q = ?

What is the next term in the sequence 4, 9, 6,11, 8, 13, …….?

What is the slope of a line perpendicular to the line whose equation is 20x - 2y = 6?

If a + b = 4 and ab = - 12, then a - b equals to-

Find the simplified value of : (6 + 2x) (4 - 2x).

4x = 52, x² - 5² = ?

If x + y = a and x - y = b, then 2xy =

Find an equation of the horizontal line containing the point (3, 2).

In a group of 15, 7 have studied Latin, 8 have studied Greek, and 3 have not studied either. How many of these studied both Latin and Greek?

If x = y = 2z and xyz = 256, then x = ?