S.1

등차수열인가 등비수열인가

등차수열과 등비수열을 구별하고 공차나 공비 구하기

난이도

보통

난이도

문제 수

예제 포함답안지 포함

@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 7 Math Arithmetic or Geometric? Skill S.1 \cdot Arithmetic & geometric sequences \cdot ★★☆ Medium Name Date Score / 8 Scan for answers Write arithmetic (with d), geometric (with r), or neither. Example 3, 7, 11, 15, \dots : arithmetic, d = 4 2, 6, 18, 54, \dots : geometric, r = 3 Think: Arithmetic: the same number is added each time (the common difference d). Geometric: each term is multiplied by the same number (the common ratio r). 1 - 2, - 8, - 32, - 128, \dots 2 - 8, - 2, 4, 10, \dots 3 - 12, - 7, - 2, 3, \dots 4 13, 9, 5, 1, \dots 5 - 3, - 12, - 48, - 192, \dots 6 5, 11, 9, 15, \dots 7 - 11, - 10, - 9, - 8, \dots 8 1, 4, 9, 16, \dots Daniel Math Academy \cdot danielmath.com Worksheet # zyerm3g \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 7 Math Answer Key S.1 Arithmetic or Geometric? \cdot ★★☆ Medium 1 geometric, r = 4 2 arithmetic, d = 6 3 arithmetic, d = 5 4 arithmetic, d = - 4 5 geometric, r = 4 6 neither 7 arithmetic, d = 1 8 neither Daniel Math Academy \cdot danielmath.com Worksheet # zyerm3g \cdot Answer Key \cdot Page 2 / 2

S. 등차수열과 등비수열스킬 3개