1.) rule: 2n+1
1st term = 2(1)+1 = 2+1 = 3
2nd term = 2(2)+1 = 4+1 = 5
3rd term = 2(3)+1 = 6+1 = 7
Answer:
3, 5, 7
2.) rule: 4n+3
1st term = 4(1)+3 = 4+3 = 7
2nd term = 4(2)+3 = 8+3 = 11
3rd term = 4(3)+3 = 12+3 = 15
7, 11, 15
3.) rule: 3n-1
1st term = 3(1)-1 = 3-1 = 2
2nd term = 3(2)-1 = 6-1 = 5
3rd term = 3(3)-1 = 9-1 = 8
2, 5, 8
4.) rule: 7n-4
1st term = 7(1)-4 = 7-4 = 3
2nd term = 7(2)-4 = 14-4 = 10
3rd term = 7(3)-4 = 21-4 = 17
3, 10, 17
5.) rule: 5n+2
1st term = 5(1)+2 = 5+2 = 7
2nd term = 5(2)+2 = 10+2 = 12
3rd term = 5(3)+2 = 15+2 = 17
7, 12, 17
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Answers & Comments
1.) rule: 2n+1
1st term = 2(1)+1 = 2+1 = 3
2nd term = 2(2)+1 = 4+1 = 5
3rd term = 2(3)+1 = 6+1 = 7
Answer:
3, 5, 7
2.) rule: 4n+3
1st term = 4(1)+3 = 4+3 = 7
2nd term = 4(2)+3 = 8+3 = 11
3rd term = 4(3)+3 = 12+3 = 15
Answer:
7, 11, 15
3.) rule: 3n-1
1st term = 3(1)-1 = 3-1 = 2
2nd term = 3(2)-1 = 6-1 = 5
3rd term = 3(3)-1 = 9-1 = 8
Answer:
2, 5, 8
4.) rule: 7n-4
1st term = 7(1)-4 = 7-4 = 3
2nd term = 7(2)-4 = 14-4 = 10
3rd term = 7(3)-4 = 21-4 = 17
Answer:
3, 10, 17
5.) rule: 5n+2
1st term = 5(1)+2 = 5+2 = 7
2nd term = 5(2)+2 = 10+2 = 12
3rd term = 5(3)+2 = 15+2 = 17
Answer:
7, 12, 17