In 4-8, fill in each blank with the equation that matches the description of its graph. y = - 10x
y = 2.5x - 7
y = {x +1
y = 1.2x
y = -5x - 8
4. My graph is non-proportional with a positive y-intercept.
5. My graph has a negative slope and is proportional.
6. My graph increases from left to right, and my "b" value is negative.
7. My graph contains the point (0,0) and has a positive slope,
8. My graph has a negative "m" value and is non-proportional.

The westins and the shermans live in the same city and pay the same sales tax rate, and both families made $14,000 in taxable purchases last year. if the westins made $86,000 and the shermans made $33,000 last year, is the sales tax in their city an example of a regressive tax? yes, because the westins and the shermans both paid the same sales tax rate. b. no, because the shermans paid a higher percentage of their income in sales tax than the westins did. c. no, because the westins and the shermans both paid the same sales tax rate. d. yes, because the shermans paid a higher percentage of their income in sales tax than the westins did.