Question

Match the vocabulary terms to the correct definitions.

1.
a speed or rate of change where the denominator (or second quantity measured) in the ratio is 1



constant of proportionality
2.
describes variation between proportional relationships



slope
3.
the ratio of vertical change to horizontal change



unit rate
4.
a ratio describing vertical change to horizontal change of a linear relationship on a coordinate grid



direct variation
5. a number, k, that represents the unit rate used in a direct variation equation y = kx for comparing proportional relationships between two variables x and y found by using division
rate of change

Answer 1

1 — unit rate
2 — direct variation
3 — rate of change
4 — slope
5 — constant of proportionality