Algebra 1 Vocabulary

5. numbers, variables and operations grouped together representing a value.
7. the graph of a quadratic function having a U shape.
9. a relation in which each input has one output.
10. any letter used to represent unspecified numbers or values.
13. an open sentence that compares expressions.
16. if you can draw a vertical line anywhere on a graph so that it hits the graph in more than one spot, then the graph is NOT A FUNCTION.
18. number found in front of variable to which it multiplies it by.
19. the rate of change between any two points.
20. a set of all possible input values of a function.

1. a pairing of inputs with outputs.
2. a nonlinear function that can be written in standard form.
3. most basic function in the 'family'.
4. the lowest y-coordinate of the vertex of the graph of a quadratic function that opens upward.
6. linear equation written in the form of Ax+B.
8. the point where a graph changes directions.
11. a number on its own, a fixed value.
12. the highest y-coordinate of the vertex of the graph of a quadratic function that opens downward.
14. a set of all possible output values of a function.
15. the inverse of any relation obtained by switching the coordinates in each ordered pair.
17. the vertical line that cuts the parabola in half.