Across
- 2. the branch of mathematics that deals with relationships between numbers, utilizing letters and other symbols to represent specific sets of numbers, or to describe a pattern of relationships between numbers.
- 6. the point at which a line crosses the x axis
- 7. A pair of numbers, (x, y), that indicate the position of a point on a Cartesian plane.
- 8. function a function that makes a straight line
- 9. Any mathematical sentence that contains the symbols > (greater than), < (less than), < (less than or equal to), or > (greater than or equal to).
- 10. a term that has a fixed value and does not contain a variable
- 11. the point at which a line crosses the y axis
- 13. a number that multiplies a variable; the number in front of the variable
- 14. a linear equation written in the form y = mx + b
- 15. variable A variable in an equation that may have its value freely chosen without considering values of any other variable.
- 18. mathematical expression sentence that includes at least one operation and a variable
- 22. to find the numerical value of an algebraic expression
- 23. opposite or reverse
- 24. a letter that represents an unknown number
Down
- 1. A rule of matching elements of two sets of numbers in which an input value from the first set has only one output value in the second set.
- 3. a mathematical statement in which two quantities are equal.
- 4. A function of the form y = a•bx where a > 0 and either 0 < b < 1 or b > 1. The variables do not have to be x and y.
- 5. mathematical sentence that includes operations and numbers
- 12. The set of x-coordinates of the set of points on a graph; the input in a function or relation.
- 14. the ratio of vertical change to horizontal change between two points
- 16. a variable that depends on one or more other variables.
- 17. The sum of the lengths of the sides of a polygon.
- 19. the y-coordinates of the set of points on a graph; the output in a function or a relation.
- 20. to replace one element of a mathematical equation or expression with another.
- 21. parts of an expression or equation separated by an operation sign