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Chapter 1 Clark
Chapter 1 flash cards
| Question | Answer |
|---|---|
| Vertical Line Test for Functions | No vertical line intersects the graph at more then one point |
| What is a variable? | A symbol that can be replaced by any one of a set of numbers or other objects |
| What is an algebraic expression? | A combining of numbers, variables, and operations in a way that stands for a number. |
| What is required in an algebraic sentence? | An algebraic expression that is related with with an equality or an inequality. |
| Opposite of a Sum Theorem | For all real numbers a and b -(a+b)= -a+-b |
| Slope Theorem | The graph of the direct-variation function y-kx has constant slope k. |
| Dependent Variable | A variable whose value always depends on the value(s) of the other variable(s).Deals with Range and output. |
| Independent Variable | A variable whose value determines the other variable(s) value(s). Deals with Domain and input. |
| Natural/ Counting Numbers | 1,2,3,4,.... |
| Whole Numbers | 0,1,2,3,4,... |
| Integers | .....-3,-2,-1,0,1,2,3,... |
| Rational Numbers | 0,1,-7, 2/3, .004, 6 7/9, |
| Real Numbers | 0, 1, -7, pi, anything that can be represented by decimals |
| What does "y" also equal? | f(x) (F of x) This form is call f(x) notation |
| What is any set of ordered pairs called? | A relation |
| What is a function? | Any relation in which no two different ordered pairs have the same first coordinate. |
| Theorem (Vertical-Line Test for Functions) | No vertical line intersects the graph a function in more then one point. |
| Recursive Formula | Formula where the first term is given and gives a rule on how to find the nth term. |