# Give the first five terms with the equation n2-1

Answers: 1

## Answers

Give the first five terms with the equation n2-1...

Answers: 1

Give the first five terms with the equation n2-1...

1, 3, 5, 7, 9

1st term

=(1)2-1

=2-1

=1

2nd term

=(2)2-1

=4-1

=3

3rd term

=(3)2-1

=6-1

=5

4th term

=(4)2-1

=8-1

=7

5th term

=(5)2-1

=10-1

=9

just substitute the number of term in "n" value

5n-20

a1=5(1)-20

a1=5-20

a1= 15

a2=5(2)-20

a2=10-20

a2=10

a3=5(3)-20

a3=15-20

a3=5

a4=5(4)-20

a4=20-20

a4=0

a5=5(5)-20

a5=25-20

a5= -5

answer:

5(n−4)

explanation:

5n−20

5n−20

=5(n−4)