11th vetted grade second. term further math mid term test

Simplify log xx⁹

• 9

• 9x

• 2x

• 2

Evaluate (0.09)3/2

• 0.027

• 0.27

• 0.0027

• 2.7

Which of the following is not a measure of central tendency?

• Mean

• Variance

• Median

• Mode

Find the product of the root of this equation: x² + 8x + 15=0

• 8

• 15

• 120

• 23

The operation * on the set R real number is defined by x * y = 3x + 2y - 1. Find 2 * 3

• 11

• 12

• -1

• 10

What is the radius of a circle whose equation is given by X² + y² - 3x + 4y +19 = 0

• (√103)/2

• (√85)/3

• (√15)/4

• (√101) /2

What is the remainder when 10.8 is divided by 1.2

• 9

• -2

• 12

• 13

If 3 = 1.732, evaluate 12 correct to 3 significant figures.

• 3.64

• 3.46

• 1.93

• 6

Given that (3-52) (3-2) = p + q6. Find q

• 4

• -4

• -5

• -6

The roots of the equation 2x2 + kx + 5 = 0 are α and β, where k is constant. If α2 + β2 = -1, find the value of k.

• 16

• 8

• 4

• 2