Dhamaal.app
0 votes
29 views
in Mathematics by (35.6k points)

Using the number line, subtract : 

(a) 2 from –3 (b) –2 from –3.

1 Answer

0 votes
by (61.7k points)
selected by
 
Best answer

(a) To subtract 2 from –3, we move 2 steps to the left of – 3 on the number line and reach –5. (Fig. 3.3)

So, –3 – 2 = –5.

(b) To subtract –2 from –3, we observe that 2 is the additive inverse of –2. 

So, we add 2 to –3 using the number line and reach at –1. 

So, –3 – (–2) = –3 + (+ 2) = –1

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...