y=kx (Tables)

Front

What is the equation of a proportional relationship?

Back

y = kx, where k is the constant of proportionality.

Tags

CCSS.7.RP.A.2C

Front

What does the constant of proportionality represent in the equation y = kx?

Back

It represents the ratio of y to x, indicating how much y changes for a unit change in x.

Tags

CCSS.7.RP.A.2C

Front

If y = 45x, what is the constant of proportionality?

Back

45

Tags

CCSS.7.RP.A.2B

Front

How can you determine if a set of data is proportional?

Back

Check if the ratio of y to x is constant for all pairs of values.

Tags

CCSS.7.RP.A.2A

Front

What is a table of values in relation to the equation y = kx?

Back

A table that shows pairs of (x, y) values that satisfy the equation.

Tags

CCSS.HSF.IF.A.1

Front

If Ms. Baird read 40 pages each day for 8 days, how many pages did she read in total?

Back

320 pages (40 pages/day * 8 days).

Tags

CCSS.3.OA.A.3

Front

What is the graphical representation of a proportional relationship?

Back

A straight line that passes through the origin (0,0).

Tags

CCSS.8.EE.B.5

Front

If y = 2x, what is the value of y when x = 10?

Back

20 (y = 2 * 10).

Tags

CCSS.6.EE.C.9

Front

What does it mean if a relationship is not proportional?

Back

The ratio of y to x is not constant; it changes with different values.

Tags

CCSS.7.RP.A.2A

Front

In the equation y = kx, what happens to y if k is increased?

Back

y increases at a faster rate for the same increase in x.

Tags

CCSS.8.EE.B.5