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Open Up - Grade 8 - Mathematics - Unit 3 - Lesson 8

Last updated about 5 years ago

4 questions

1

1

Question 2

2.

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.

1

1

Question 1

1.

Select all equations that have graphs with the same y-intercept.

y = 5x - 8

y = 3x - 8

y = 3x + 8

y = \frac{1}{3}x - 8

y = 3x - 9

y = 2x - 8

Question 3

3.

Match each graph to a situation.

Draggable item		Corresponding Item
C.		2.
B.		4.
D.		1.
A.		3.

Question 4

4.

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. Use the information to find the elevation per mile.

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

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