6 terms with examples.
Study with flashcards| Term / pattern | Meaning / method | Example |
|---|
| Percent change | Divide change by the original amount. | A price from $40 to $46 rises 6/40 = 15%. |
| Unit rate | Express both quantities on a common one-unit basis. | 180 miles in 3 hours gives 60 miles per hour. |
| Distributive law | Multiply each term inside parentheses. | 3(2x − 5) = 6x − 15. |
| Complement | Count everything except the unwanted event. | If 3 of 10 equally likely outcomes fail, success probability is 7/10. |
| Area versus perimeter | Area covers a surface; perimeter measures its boundary. | A 3 by 8 rectangle has area 24 and perimeter 22. |
| Mean total | Recover a total by multiplying mean by count. | Five values with mean 12 sum to 60. |
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