macey

1. replacing a variable or expression with another equivalent one in an equation, formula, or expression
4. the horizontal axis on the Cartesian coordinate plane
5. a function that does not graph into a straight line and does not have a constant slope.
6. an equation or system of equations where infinitely many values of the variable(s) will satisfy the equation, making it a true statement.
10. a symbol (often just a single letter like “x”) that stands in for an unknown numerical value in an equation.
11. there is exactly one value (or set of values) for the variable(s) that makes the equation true
12. a formal statement that two expressions are equal, typically containing an equals sign (=)
13. there is no value for the variable that makes the equation true
15. a reduction or a decline in size, quantity, or value

2. getting larger in size, number, or quantity
3. the vertical axis on the Cartesian coordinate plane
7. a real number that cannot be expressed as a ratio of two integers
8. the relationship between two values that are not equal
9. any number that can be written as a fraction, where both the numerator (the top number) and the denominator (the bottom number) are integers, and the denominator is not equal to zero
14. something related to or forming a straight line