11 maths unit 2 EM

If |x+2|≤9, then x belongs to

• (-∞, -7)

• [-11, 7]

• (-∞, -7) U [11, ∞)

• (-11, 7)

Given that x, y and b are real numbers x<y, b<0, then

• xb<yb

• xb>yb

• xb≤yb

• xb≥yb

If |x-2|/x-2 ≥ 0, then x belongs to

• [2,∞)

• (2,∞)

• (-∞, 2)

• (-2,∞)

The solution of 5x-1 < 24 and 5x+1 > -24 is

• (4, 5)

• (-5, -4)

• (-5, 5)

• (-5, 4)

The solution set of the following inequality |x-1| ≥ |x-3| is

• [0, 2]

• [2, ∞)

• (0, 2)

• (-∞, 2)

The value of ^log√2⁵¹²

• 16

• 18

• 9

• 12

The value of log₃ 1/81 is

• -2

• -8

• -4

• -9

If ^log√x^0.25 =4, then the value of x i

• 0.5

• 2.5

• 1.5

• 0.25

The value of log_ab log_bc log_ca is

• 2

• 1

• 3

• 4

f 3 is the logarithm of 343, then the base is

• 5

• 7

• 6

• 9