Which one of these is NOT a characteristic of a proportional graph?(1 point)
Responses
The line passes through the origin (0,0).
The line passes through the origin (0,0).
The y values are always larger than the x values.
The y values are always larger than the x values.
The graph is a straight line.
The graph is a straight line.
The value of y/x is the same for all points on the line.
The y values are always larger than the x values.
Sam can type 368 words in 8 minutes. What is the constant of proportionality that relates the number of words typed, y , to the number of minutes it took to type, x ? (Remember that constant of proportionality is k = yx)(1 point)
Responses
50 words per minute
50 words per minute
46 words per minute
46 words per minute
44 words per minute
44 words per minute
36 words per minute
46 words per minute
An XBOX 360 regularly sells for $399. It is on sale for 20% off. What is the sale price of the XBOX?(1 point)
Responses
$319.20
$319.20
$78.80
$78.80
$391.02
$391.02
$300.00
$319.20
The weather report predicts rain for the next 3 days. Assuming the prediction is true and there is no rain on the other days of the week, what is the ratio of rainy days to the total number of days in the week?(1 point)
Responses
7:3
7:3
3:10
3:10
3:4
3:4
3:7
Determine if the data in the table are in a proportional relationship. If they are not in a proportional relationship, indicate why.
(1 point)
Responses
Yes, the data table has a proportional relationship because the ratio of apples to trees is the same throughout the table.
Yes, the data table has a proportional relationship because the ratio of apples to trees is the same throughout the table.
Yes, the data table has a proportional relationship because the the number of apples is always greater than the number of trees.
Yes, the data table has a proportional relationship because the the number of apples is always greater than the number of trees.
No, the data table does not have a proportional relationship because the ratio of apples to trees is not the same throughout the table.
No, the data table does not have a proportional relationship because the ratio of apples to trees is not the same throughout the table.
No, the data table does not have a proportional relationship because the the number of apples is always less than the number of trees.
3:7
No, the data table does not have a proportional relationship because the ratio of apples to trees is not the same throughout the table.