click below
click below
Normal Size Small Size show me how
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. |