Grade 11 • Science Mathematics • Unit 1: Algebra
Chapter 1: Logic, Sets and Real Number System
Exercise 1.3
Question 1
(a)
Answer and working
(b)
Answer and working
(c)
Answer and working
(d)
Answer and working
Question 2
(i)
(a)
Answer and working
(b)
Answer and working
(c)
Answer and working
(d)
Answer and working
(ii)
(a)
Answer and working
(b)
Answer and working
(c)
Answer and working
(d)
Answer and working
Question 3
(a)
Answer and working
(b)
Answer and working
(c)
Answer and working
(d)
Answer and working
(e)
Answer and working
| Interval or point | |||
|---|---|---|---|
(f)
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| Interval or point | |||
|---|---|---|---|
(g)
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| Interval or point | ||||
|---|---|---|---|---|
| undefined | ||||
Question 4
(a(i))
Answer and working
(a(ii))
Answer and working
(a(iii))
Answer and working
(a(iv))
Answer and working
(b(i))
Answer and working
(b(ii))
Answer and working
(b(iii))
Answer and working
(c(i))
Answer and working
(c(ii))
Answer and working
(c(iii))
Answer and working
(c(iv))
Answer and working
(c(v))
Answer and working
(c(vi))
Answer and working
Question 5
(a)
Answer and working
(b)
Answer and working
(c)
Answer and working
(d)
Answer and working
Question 6
(a)
Answer and working
(b)
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(c)
Answer and working
(d)
Answer and working
Question 7
(a)
Answer and working
(b)
Answer and working
(c)
Answer and working
(d)
Answer and working
(e)
Answer and working