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ND 8 Algebra Midterm
Vocab for ND Beth 8th Grade Algebra Midterm
| Question | Answer |
|---|---|
| a symbol used to represent 1 or more numbers in a mathematical expression or equation | variable |
| a mathematical expression containing one or more variables | variable expression |
| a mathematical expression containing only numerals (no variables) | numerical expression |
| combine like terms, perform operations, etc. to reach simplest form | simplify an expression |
| replace variable(s) with given value(s) and simplify | evaluate an expression |
| formed by placing an equals sign between two numerical or variable expressions | equation |
| equations or inequalities containing variables | open sentence |
| the given set of numbers the variable may represent | domain of a variable |
| a value of a variable that converts an open sentence into a true statement | solution |
| a solution of the sentence | root of an equation |
| find the solution set of an open sentence over a given domain | solve and equation |
| the zero point on a number line, the zero point of the intersecting axes in a number plane | origin |
| a number paired with a point on the positive side of a number line | positive integer |
| a number paired with a point on the negative song of a number line | negative integer |
| the numbers in the set {...-3, -2, -1, 0, 1, 2, 3...} | integers |
| the set made up of the positive integers and zero {0, 1, 2, 3...} | whole numbers |
| the point on a number line paired with a number | graph of a number |
| the number paired with a point on the number line | coordinate |
| the number that when added to the given number, equals zero | opposite |
| the distance between the different number and the origin | absolute value |
| the number that when added to the given number, equals zero (*opposite) | additive inverse |
| a number that tells how many times to use the base as a factor | exponent |
| one of the equal factors. In b^n, it is b. | base |
| exponential expressions such as 3^2 and 3^4 are these of 3. | power |
| an expression that is either a numeral, a variable, or a product of a numeral and one or more variables | monomial |
| a polynomial of two terms | binomial |
| a polynomial of three terms | trinomial |
| a sum of monomials | polynomial |
| a numerical term with no variable expression | constant |
| terms that are exactly alike or that differ only in their numerical coefficients | similar terms (like terms) |
| the number of times that a variable occurs as a factor in a monomial is the degree of the monomial in that variable. The sum of the degrees in each of the variables is the degree of the monomial. A non-zero constant has a degree of 0. Zero has no degree. | degree of a monomial |
| the greatest of the degrees of its terms after it has been simplified | degree of a polynomial |
| a term used to describe motion of an object when it moves without changing its speed or rate (distance=rate x time)(d=rt) | uniform motion |
Created by:
hunoni
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