Question

4. Find the first term a and common difference d
and write the next three terms:
(1) 45, 50, 55, 60,... (ii) 60, 50, 40, 30,...
(ii) 4.5, 5.5, 6.5, 7.5.... (iv) -20, -15, -10, -5,...​

Answer 1

Answer:

d=5

Explanation:

1) 45,50,55,60.

t1=45,t2=50,t3=55,t4=60

t4-t3=60-55=5

t3-t2=55-50=5

t2-t1=50-45=5

There is distance (d) = 5

Answer 2

Explanation:

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