Proportionality, Linear Equations, Graphs - 7th! Week of 3/7

A car travels 320 miles in 8 hours. What is the unit rate?

• 45 miles per hour

• 80 miles per hour

• 40 miles per hour

• 60 miles per hour

Given the graph above, which is true?

• The line that passes through the given coordinates does not represent a proportional relationship because the line passes through the origin
• The line that passes through the given coordinates represents a proportional relationship because the line does not pass through the origin
• The line that passes through the given coordinates does not represent a proportional relationship because the line does not pass through the origin
• The line that passes through the given coordinates represents a proportional relationship because the line passes through the origin

• COP is 4

• COP is 1/4

• COP is 4x

• There is no COP

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

• 45
• 90
• 135
• 2

A proportional relationship can be written as an equation in the form
____ = _____  _____

• y = k+x
• y = k-x
• y = kx
• y = k/x

Why does this graph show a non-proportional relationship?

• Because it is proportional
• It goes through the origin
• It does not go through the origin
• It is a straight line

Which statement matches the graph?

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

The constant of proportionality can be found by finding the __________  _____________.

• unit rate
• ratio rate
• proportion answer
• rational number

What is the constant of proportionality?

• 15
• 5
• 75
• 25

The number lines separate the coordinate plane into 4 regions called

• fourths

• regions

• quadrants

• sections