(9) Show the following on a number line.
A)
7/4, 5/4, -7/4, -2/4
Answers
Given : -7/4, 7/4, 5/4 , =2/4
To Find : plot on a number line
Solution:
Numbers with a negative sign are less than zero
Right of zero represented by ‘+’ sign and to the left of zero represented by ‘–’ sign.
+ sign numbers can be denoted as simply numbers
On a number line the number increases as we move to the right and decreases as we move to the left.
1 : Draw a line and mark some points at equal distance on it as shown in the figure below Mark a point as zero on it. Points to the right of zero are positive integers and are marked simply 1, 2, 3 and so on , while points to the left of zero are negative integers and are marked – 1, – 2, – 3 and so on
5/4 = 1 + 1/4
Divide between 1 and 2 in 4 Equal parts
and go 1 right of 1 and mark 5/4
7/4 = 1 + 3/4
go 3 right of 1 and mark 7/4
-7/4
Divide between -1 and -2 in 4 Equal parts
-7/4 = -1 - 3/4
and go 3 left of -1 and mark -7/4
Divide between -1 and 0 in 4 Equal parts
-2/4 = 0 - 2/4
and go 2 left of 0 and mark -2/4
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