PSABM5VZ - Practice---Acc7.5 Lesson 7 Translating to y = mx + b (8.EE.B, 8.G.A.1)
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Select all equations that have graphs with the same y-intercept.

 
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Select all that apply:
Part A)

Create a graph showing the equations  and 

 

Draw your graph on paper, take a picture, and upload it using the image upload icon 

 

If you do not have the ability to upload an image of your work type "Graph is on paper."

 

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Type your answer below:
Part B)

Explain how the graphs are the same and how they are different.

Type your answer below:
Part A)

A cable company charges $70 per month for cable service to existing customers.  Find a linear equation representing the relationship between x, the number of months of service, and y, the total amount paid in dollars by an existing customer.

 

Complete the equation below

 

y = _______________


Use x as your variable.

 

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Type your answer below (mathematical expression):
Part B)

For new customers, there is an additional one-time $100 service fee. Repeat the previous problem for new customers.

 

Complete the equation below

 

y = _______________


Use x as your variable.

Type your answer below (mathematical expression):
Part C)

When the two equations are graphed in the coordinate plane, how are they related to each other geometrically?

Type your answer below:
Part A)

A mountain road is 5 miles long and gains elevation at a constant rate. After 2 miles, the elevation is 5500 feet above sea level. After 4 miles, the elevation is 6200 feet above sea level.

 

Find the elevation of the road at the point where the road begins.

 

Do not include units (ft) in your answer.

 

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Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2):
Part B)

Describe where you would see the point in part (a) on a graph where represents the elevation in feet and x represents the distance along the road in miles.

Type your answer below:
Part A)

Match the given situation to one of the graphs below.

The graph represents the perimeter, y, in units, for an equilateral triangle with side length of x units. The slope of the line is 3.

 

 

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Select one:
Part B)

Match the given situation to one of the graphs below.

 

 

The amount of money, y, in a cash box after x tickets are purchased for carnival games. The slope of the line is 1/4.

Select one:
Part C)

Match the given situation to one of the graphs below.

 

 

 

The number of chapters read, y, after x days. The slope of the line is 5/4.

Select one:
Part D)

Match the given situation to one of the graphs below.

 

 

The graph shows the cost in dollars, y, of a muffin delivery and the number of muffins, x, ordered. The slope of the line is 2.

Select one: