Q6 of 27 Page 97

In copying a second degree equation, the number without x was written as 24 instead of –24. The answers found were 4 and 6. What are the answers of the correct problem?

Given.


The number without x was written as 24 instead of –24


If c = 24


Means it will have factors AS 6 and 4


If c = –24


Means it will have factors either (–6,4) or (6, –4)


Conclusion/Result. Factors are either (–6,4) or (6, –4)


More from this chapter

All 27 →
2

How many consecutive natural numbers starting from 1 should be added to get 300?

 3

The reciprocal of a positive number, subtracted from the number itself gives . What is the number?

 4

Can the sum of a number and its reciprocal be ? Why?

 5

In writing the equation to construct a rectangle of specified perimeter and area, the perimeter was wrongly written as 24 instead of 42. The length of a side was then computed as 10 metres. What is the area in the problem? What are the lengths of the rectangle in the correct problem?