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Unit 1 ALG VOCAB
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Key Concepts:
Terms in this set (17)
1. maximum
the largest value in the range of a function or data set ; the highest point on a graph.
2. parabola
- A particular kind of mathematical curve-the graph of a quadratic function y = x2 + bx + c.
3. Input
The value put into a function.
4. x-intercept
The point(s) where a graph intersects the x-axis.
5. x⇒y table
Represents pairs of values of two related quantities-the input values are listed first and the output values appear second
6. cube root
An idea similar to that of a square root, except that the root must be cubed
7. domain
The set of all input values (x) for a function or relation.
8. graph
A representation of numerical information spatially.
9. absolute value
The distance of a number from zero on the number line
10. line of symmetry
A line that divides a shape into two pieces that are mirror images of each other.
11. equation
A mathematical sentence in which two expressions appear on either side of an equal sign (=) stating that the two expressions are equivalent.
12. minimum
the smallest value in the range of a function or in a data set ; the lowest point on a graph.
13. function
A relationship in which for each input value there is one and only one output value. (The x-values are all different.)
14. range
The set of all output values (y) for a function or relation.
15. y-intercept
The point(s) where a graph intersects the y-axis.
16. output
The value that results from applying the rule for a function to an input value.
17. quadratic function
A function that can be written in the form f(x)=ax2+bx+c, where A, B, and C are real numbers and A is a nonzero number.
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