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BNU1501/Sol04/1/2022




Assignment Solution 04

Basic Numeracy
BNU1501

Semester 1


Department of Decision Sciences


Important Information:
Solutions to Assignment 04.
Study material: Chapters 6 and 7 in the Study Guide




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, BNU1501/Sol04




1 ASSIGNMENT 04: Solutions

1.1 Answers
1. [4] 6. [2] 11. [2]
2. [3] 7. [4] 12. [1]
3. [1] 8. [2] 13. [3]
4. [4] 9. [1] 14. [4]
5. [2] 10. [4] 15. [2]


1.2 Explanations


Question 1
The horizontal line is called a x-axis.

Question 2
The point at which the two exes intersect (cross each other) is called a/an origin.

Question 3
Which of the following is the formula for calculating the slope of a straight line?
y1 − y2
x1 − x2


Question 4
Select the most correct meaning of the following equation in words
y1 − y2
x1 − x2
Change in the y-value over change in the x-value.

Question 5
A straight line with points (−1; 3) and (1; −3) has a slope = −3 and the slope is escending
y1 −y2 3−(−3)
Slope = x1 −x2 = −1−1 = −3

Question 6
y = bx + a a stands for the y-intercept y = b(0) + a = a

Question 7
x stands for the independent variable.




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