Constant of Proportionality, y=kx

Front

In the equation y=kx, what does the k represent?

Back

constant of proportionality, multiplier, scale factor

Front

The constant of proportionality in the equation y = ½x is _______.

Back

1/2

Front

What makes a graph proportional?

Back

Straight line and the line goes through the origin

Front

If Justin ordered 5 ice cream bars for $12.25, how much was each ice cream bar?

Back

$2.45

Front

Which statement below accurately represents the graph? Options: $100 is earned for each hour worked, $200 earned for every 2 hours worked
is the unit rate, $500 is earned for every 8 hours worked, $300 is earned after working 4 hours

Back

$500 is earned for every 8 hours worked

Front

Write an equation for this relationship.

Back

y=18.50x

Front

Write an equation for this situation.

Back

y=19.25x

Front

Identify the constant of proportionality: k = 5, k = 1/5, k = 1, k = 2.5, none (not proportional)

Back

k = 5

Front

Which statement best describes this situation?
Options:

Kevin earns $16.50 per hour.

,

Kevin earns $8.00 per hour.

,

Kevin earns $8.25 per hour.

,

Kevin earns $8.50 per hour.

Back

Kevin earns $8.25 per hour.

Front

Which is the better buy? A 12 pack of Coke for $3.50 or a six pack of Coke for $1.80?

Back

The 12 pack of Coke