In 1879, four British companies were merged to form the United African Company by

• A. Frederick Lugard
• B. Jhon Beecroft
• C. Tubman Goldie
• D. Macgregor Laird

When job vacancies are publicized, the government is mainly trying to solve the problem of

• A. residual unemployment
• B. cyclical unemployment
• C. technological unemployment
• D. frictional unemployment

Judicial review means the process by which

• A. judges review past court decisions and judgements
• B. the court determine the constitutionality of the actions of rulers
• C. judicial precedents are implemented
• D. the court settles disputes between citizens and government

(a) Copy and complete the table of values for the relation y=2x\(^2\) - x - 2 for 4 ≤ x ≤ 4.

(b) Using a scale of 2 cm to 1 unit on the x-axis and 2 cm to 5 units on the y-axis, draw the graph of y = 2x\(^2\) - x - 2 for 4 ≤ x ≤ 4.

(c) On the same axes, draw the graph of y = 2x + 3.

(d) Use the graph to find the: (i) roots of the equation 2x-3r-5 0; (i) range of values of x for which 2x\(^2\) -x - 2<0.

Which of the following statements about water in humans is not correct? it

• A. plays an important role in temperature regulation
• B. acts as solvent for substances conveyed around the body
• C. plays a role in the formation of vitamin
• D. is needed for many life processes

Find the mean deviation of 1, 2, 3 and 4

• A. 1.0
• B. 1.5
• C. 2.0
• D. 2.5

If y = \(\frac{y(2\sqrt{x^2 + m})}{3N}\), make x the subject of the formular

• A. \(\frac{\sqrt{9y^2 N^2 - 2m}}{3}\)
• B. \(\frac{\sqrt{9y^2 N^2 - 4m}}{2}\)
• C. \(\frac{\sqrt{9y^2 N^2 - 3m}}{2}\)
• D. \(\frac{\sqrt{9y^2 N - 3m}}{2}\)

In which of the features do bryophytes differ from pteridophytes?

• A. Absence of flower
• B. Alternation of generation
• C. Dependency on water for reproduction
• D. Presence of vascular system

Equatorial lowlands usually experience

• A. very early morning rains
• B. heavy thunder rains in the afternoons
• C. strong winds
• D. cold nights

The inverse of the time required for a wave to complete one full cycle is called

• A. wavelength
• B. period
• C. frequency
• D. amplitude