8th Grade Math: Unit 04 Flashcards

Front

Fill in the blank: ________ are shapes whose corresponding angles are congruent and corresponding side lengths are proportional (equal scale factor).

Back

similar shapes

Front

The ________ is the steepness of a line; rate of change in y (vertical) compared to the corresponding change in x (horizontal) or rise/run.

Back

slope

Front

The ________ is the y-coordinate of a point at which the relationship crosses the y-axis meaning the x-coordinate is equal to zero, denoted as b in y = mx + b and the ordered pair (0, b).

Back

y-intercept

Front

Fill in the blank: ________ means of equal measure, having exactly the same size and same shape.

Back

congruent

Front

Fill in the blank: The ________ is a constant ratio between two proportional quantities y/x, denoted by the symbol k.

Back

constant of proportionality

Front

Fill in the blank: ________ are angles that have the same relative position in geometric figures.

Back

corresponding angles

Front

Fill in the blank: ________ are sides that have the same relative position in geometric figures.

Back

corresponding sides

Front

Fill in the blank: ________ is a line, direction, or position that runs left to right and is parallel to the horizon; often represents the x-axis in a coordinate plane.

Back

horizontal

Front

Fill in the blank: The ________ is the first coordinate of an ordered pair in a relation; x-value; independent variable.

Back

input

Front

A ________ is a relationship or equation that, when graphed, forms a straight line, showing a constant rate of change between two variables.

Back

linear