Math 8 Vocabulary

3. the part of mathematics that helps represent problems or situations in the form of mathematical expressions.
6. the horizontal plane of a graph
8. the initial point or the starting point from where we begin our calculations or measurements.
11. a number multiplied by a variable.
13. the factor that we can multiply by itself to get that number.
17. any angle greater than 90°
19. a quantity that can be changed and is not fixed
21. the point where a graph crosses the y-axis.

1. the average of a data set,
2. the middle value of a set of numbers
4. when two fractions or ratios are equal to each other
5. a number or algebraic expression that divides another number or expression evenly
7. a measure of its steepness (rise over run)
9. the branch of mathematics concerned with the shape of individual objects, spatial relationships among various objects, and the properties of surrounding space
10. an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).
12. a whole number (not a fractional number) that can be positive, negative, or zero.
14. measure less than 90 degrees
15. the coordinate plane is divided into four equal parts by the intersection of the x-axis (the horizontal number line) and the y-axis (the vertical number line).
16. the value that appears most frequently in a data set.
18. the line on a graph that is drawn from bottom to top.
20. combination of two rays (half-lines) with a common endpoint