Real World Linear

Which equation has the greatest rate of change (slope)?

• y = 5x + 2

• y = -5x + 9

• y = 10x + 1

• y = -2x + 15

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which of the following are ways to find the rate of change?

• change in y over change in x

• rise over run

• subtract y coordinates over subtract x coordinates

• all of the above

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

At 0 seconds, Mrs. Taylor was 10 feet off the ground.  At 5 seconds, she was 20 feet off the ground.  What is her rate in feet per second?

• 10 feet per second

• 5 feet per second

• 2 feet per second

• 6 feet per second

Tags

CCSS.HSF-LE.A.1B

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Tags

CCSS.HSF.IF.B.4

A strong cold front blew through during the night.  The temperature outside began to drop rapidly.  The graph shows the temperature at each hour after the cold front blew through.  What was the initial temperature recorded?

• 80 degrees

• 55 degrees

• 35 degrees

• 2.5 degrees

Tags

CCSS.HSF.IF.B.4

Find the slope of the line.

• Undefined

• 0

• 1

• -1

Tags

CCSS.8.EE.B.5

An electrician charges a fee of $75 plus $30 per hour of labor. Which equation models this?

Tags

CCSS.6.EE.C.9

A rental car company charges $28 per day plus a reservation fee of $100. Which equation models this?

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A cell phone company charges a monthly fee of $50 plus $15 per gigabyte of data. Which equation models this?

Tags

CCSS.6.EE.C.9

• $360

• $470

• $720

• $1020

Tags

CCSS.HSF.LE.B.5