y=kx tables

Which of the following equations represent this table?

• y= 2x

• y=1/2x

• y=5x

Which of the following is an equation for this relationship?

• y=90x

• y=25x

• y=45x

• y=2x

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135
• 2

Write an equation for this relationship.

Remember: y = kx

• y = 4x

• y = (1/8)x

• y = (1/4)x

• y = 8x

• y = 2x - 15

• y = 15x +2

• y = -15x

• y = 15x

Ms. Baird recorded her reading for 8 days. Did Ms. Baird read at a proportional rate? If so, name the constant of proportionality.

• Yes, 20

• Yes, 40

• Yes, 16

• No

Which equation best describes the relationship between x and y.

What is the constant rate of change?

• Not here.

• $80 per month.

• $82 per month.

• $41 per month.

What is the rate of change for this table?

• 1/9

• 9

• 8

• 1/8

Calculate the rate of change.

• 6

• 1/6

• -6

• -1/6