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Math Unit_10
Alegebra Concepts and Skills Vocabulary
| Question | Answer |
|---|---|
| Algebraic expression | An expression that contains a variable. For example, if Maria is 2 inches taller than Joe, and if the variable M represents Maria’s height, then the algebraic expression M – 2 represents Joe’s height. |
| Circumference | The distance around a circle or a sphere; the perimeter of a circle. |
| Diameter | A line segment that passes through the center of a circle or a sphere and has endpoints on the circle or sphere. The diameter of a circle is twice the length of the radius. |
| Line graph | A graph in which data points are connected by line segments. |
| Pan-balance | A tool used to weigh objects or compare their weights. |
| Pi | The ratio of the circumference of a circle to its diameter. Pi is the same for every circle and is approximately 3.14. |
| Predict | In mathematics, to say what will happen in the future based on experimental data or theoretical calculation. |
| Radius | A line segment from the center of a circle (or sphere) to any point on the circle (or sphere). |
| Rate | A comparison by division or two quantities with unlike units. For example, a speed such as 55 miles per hour is a rate that compares distance with time. |
| Ratio | A comparison by division of two quantities with like, or the same, units. |
| Variable | A letter or other symbol that represents a number. It can stand for one number or many different numbers. |
Created by:
mrsthompson
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