Question

-
G.
Look at the pattern below:
-15, -11,-7,-3
If the pattern were to continue, what would be the 8th term.
-15,-11, -7,-3,
]
3​

Answer 1

$\huge\boxed{\fcolorbox{black}{pink}{Solution}}$

$-15, -11,-7,-3$

$a(first \: term) = - 15$

$b(2nd \: term) = - 11$

$common \: difference = b - a$

$= ( - 11) - ( - 15) = - 11 + 15$

$c.d(d) = 4$

$now \: we \: know \\ a_{n} = a + ( n- 1)d$

$so \: for \: 8th \: term \\ a_{8} = a+ (8 - 1)d$

$- 15 + 7(4)$

$- 15 + 28$

$= 13$

Therefore , the 8th term of given A.P. is

$a_{8} \: = \: 13$

Answer 2

Answer:

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