Algebra 2

2. the smallest positive integer that is evenly divisible by both a and b.
4. a symbol and placeholder for a quantity that may change
8. a number that describes both the direction and the steepness of the line.
9. to find the value of the expression when the variable is replaced by a given number
12. Apart of sohcahtoa. opposite over hypotenuse
13. a function f, usually with some geometrical underpinning, that maps a set X to itself
15. relation between two amounts showing the number of times one value
17. a geometric transformation that moves every point of a figure, shape or space by the same distance in a given direction
18. a number or ratio expressed as a fraction of 100. Almost always used with the sign %.
19. a whole number. It cannot be a fraction or a decimal.

1. y=mx + b. An equation used to find find the y-intercept and the slope of a straight line
3. the name given to the process of swapping an algebraic letter for its value.
4. a symbol and placeholder for a quantity that may change. a variable may represent a number, a vector, a matrix, a function.
5. a mathematical operation, written as b^n. the power to which a given number or expression is to be raised, usually expressed as a raised symbol beside the number or expression.
6. a rectangular array or table of numbers
7. the product of multiplying a number by itself.
10. the non-negative value of x without regard to its sign.
11. represents a part of a whole. Containing a line with two numbers or variables on either side.
14. Apart of sohcahtoa. adjacent over hypotenuse
16. an equation in which two ratios are set equal to each other.