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What is 1 + 3?
glen coe pre algebra vocab chapter 1
To find the numerical value of an expression.
A value for the variable that makes an equation true.
For x + 17 = 19, the value is 12
A set of ordered pairs.
An expressions that contains sums and/or products of variables and numbers.
A pair of numbers used to locate any point on a coordinate plane.
A placeholder for any value.
An example that shows a conjecture is not true.
A mathematical sentence that contains an equal sign (=).
The point at which the number lines intersect in a coordinate system.