Asked by Maryann

The 8th term of an Ap is 5 times the 3rd while the 7th term is 9 greater than the fourth. Write the first five terms of the Ap
Answered by Reiny
Simply use your definitions to translate:
"The 8th term of an Ap is 5 times the 3rd" ---> a+7d = 5(a+2d)
a+7d = 5a + 10d
-4a = 3d
a = -3d/4

"the 7th term is 9 greater than the fourth" ---> a+6d > a+3d by 9
a+6d = a+3d + 9
3d = 9
d = 3
since a = -3d/4
a = -3(3)/4 = -9/4

So the sequence is -9/4, 3/4, 15/4, 27/4, 39/4, ...

I will leave it up to you to check my arithmetic.
Answered by ose
very correct
Answered by Modeckai
It's very wrong. Prove you are answers.
Answered by Brian
It is correct
Answered by Bop zaddy
Its correct👍👍👍
Answered by Safiya Bello
I really love math class.
Answered by Ayodele Isaac
Hmmm wow 😮 😮 😮
Answered by Alexis A E
I am amazed
Answered by Favour
Au is d ans in fraction
Answered by OYINDAMOLA
THANKS
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