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Assignments Class 8 for Algebraic Expressions and Identities Exercise 4
Question 1
Use a suitable identity to get each of the following products.
(a)
(b)
(c)
(d)
(e) (1.1 m - 0.4) (1.1 m + 0.4)
(f)
(g)
(h)
(i)
(j)
(k)
(l)
(m)
(n)
(o)
(p)
Question 2
Use the identify (x + a) (x + b) = to find the following products.
(i)
(ii)
(iii)
(iv)
(v)
(vi)
Question 3
Simplify the following
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(vii)
Question 4
Using identities, evaluate.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
(k)
(l)
(m)
(n)
(o)
Question 5
Find the value of x if 8x =
Question 6
(a) If , find the value of
(b) If p + q = 13 and pq = 22, then