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

By Formative Library
starstarstarstarstarstarstarstarstarstar
Last updated over 2 years ago
8 Questions
1
1.
Select all equations that have graphs with the same y-intercept.
8.G.1.a
1
2.
Create a graph showing the equations y = \frac{1}{4}x and y = \frac{1}{4}X - 5. Explain how the graphs are the same and how they are different.
8.G.1.a
1
3.
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.
8.G.1.a
1
4.
A cable company charges $70 per month for cable service to existing customers.

When the two equations are graphed in the coordinate plane, how are they related to each other geometrically?
8.G.1.a
1
5.
A cable company charges $70 per month for cable service to existing customers.

When the two equations are graphed in the coordinate plane, how are they related to each other geometrically?
8.G.1.a
1
6.
Match each graph to a situation.
arrow_right_alt
2.
arrow_right_alt
4.
arrow_right_alt
1.
arrow_right_alt
3.
8.G.1.a
1
7.
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.
8.G.1.a
1
8.
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.

Describe where you would see the point in part (a) on a graph where y represents the elevation in feet and x represents the distance along the road in miles.
8.G.1.a
"Source: Open Up Resouces (Download for free at openupresources.org.)"