Moving Straight Ahead Vocabulary

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One of the two variables in a relationship. Its value depends upon or is determined by the other variable.

The value or values of the variables that make an equation true.

For all real numbers a, b, and c: Addition: If a = b, then a + c = b + c. Subtraction: If a = b, then a - c = b - c. Multiplication: If a = b, thena • c = b • c. Division: If a = b and c ≠ 0, then a/c = b/c .

Expressions that represent the same quantity.

The point where two lines cross.

One of the two variables in a relationship. Its value determines the value of the other variable.

A statement that two quantities are not equal. The symbols , , ≥, and ≤ are used to express.

The number that expresses the steepness of a line. In a linear equation of the form y=mx+b, the this is the coefficient, m. This is the ratio of the vertical change to the horizontal change between any two points on the line.