8th grade Math Vocabulary: Ch 1-7

A2 times B2 equals C2 (look at picture)

Angles that lie on opposite sides of the transversal, inside the parallel lines. (look at pic)

The four outer angles formed by two lines cut by a transversal. (look at picture)

Terms that contain the same variable(s) to the same powers.

A transformation that enlarges or reduces a figure by a scale factor.

A function whose rate of change is not constant.The graph of this function is not a straight.

The rate of change between any two points on a line.

The four inside angles formed by two lines cut by a transversal. (look at picture)

A transformation that slides a figure from one position to another without turning.

The final step of an equation yields a solution that is false, such as 3≠5

The final step of an equation yields a single solution, such as x=2

Angles that are in the same position on two parallel lines in relation to a transversal.

The y-coordinate of the point where the line crosses the y-axis.

An equation with a graph that is a straight line. Slope intercept form of this is y=mx+b.

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If one image can be obtained from another by a sequence of transformation and dilations.

To multiply a sum by a number, multiply each addend by the number outside the parentheses.

A mathematical expression used to represent a decimal number between 1 and 10 multiplied by ten

One of three equal factors of a number

A symbol,usually a letter, used to represent a number in mathematical expressions or sentences.

The number next to the variable.

An algebraic model that can be used to find the exact solution of a system of equations.

A transformation where a figure is flipped over a line. Also called a flip.

A transformation in which a figure is turned about a fixed point.

Lines that never intersect no matter how far they extend.

Angles that lie on opposite sides of the transversal, outside the parallel lines. (look at pic)

Opposite angles formed by the intersection of two lines.

Two lines that intersect to form right angles.

A relationship that has a straight-line graph.

The final step of an equation yields a solution that is true, such as 4=4

Pairs of operations that undo each other.