Past Questions And Answers
For this question, choose the option opposite in meaning to the word or phrase in italics The idea makes mecringe
- A. quiver
- B. tremble
- C. resolute
- D. writhe
The decline of the Songhai Empire in the 16th century was partly due to
- A. Internal unrest and external attacks
- B. Arab invasions
- C. British colonial expansion
- D. Portuguese trade restrictions
One of the similarities between algae and mosses is their possession of
- A. chlorophyll
- B. stem
- C. leaves
- D. roots
The process of encouraging consumers to buy products at retail outlets is________
- A. Advertising
- B. Publicity
- C. Merchandising
- D. Distribution
(a) Copy and complete the table of values for the relation y = 4x\(^2\) - 8x - 21, for -2.0 \(\leq\) x \(\leq\) 4.0
| x | -2.0 | -1.5 | -1.0 | 0.5 | 0.0 | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 |
| y | 11 | -9 | -21 | -24 | -21 | -9 | 0 |
(b) Using a scale of 2cm to 1 unit on the x-axis and 2cm to 5 units on the y-axis, draw the graph for the relation y = 4x\(^2\) - 8x - 21
(ii) Use the graph to find the solution set of
(\(\alpha\)) 4x\(^2\) - 8x = 3;
(\(\beta\)) 4x\(^2\) - 7x - 21 = 0
View Discussion (0)WAEC 2019 THEORYDuring the vulcanization of rubber, sulphur is added to
- A. Break down rubber polymer
- B. Lengthen the chain of rubber
- C. Bind rubber molecules together
- D. Act as a catalyst
Which part of the human brain is concerned with reflexes controlling the rate of heart beat and breathing?
- A) medulla
- B) cerebrum
- C) cerebellum
- D) pineal body
The instantaneous value of the induced e.m.f as a function of time is ε = εo sin ωt where εo is the peak value of the e.m.f. The instantaneous value of the e.m.f., one quarter of the period is
- A) 0.00
- B) εo/4
- C) εo/2
- D) εo
The performers in a play constitute the
- A. chorus
- B. characters
- C. audience
- D. east
When blue and green colours of light are mixed, the resultant colour is
- A. cyan
- B. magenta
- C. black
- D. yellow