4.1 Representing Relationships

What is the equation for this set of data? Use y = mx. remember slope is the UNIT RATE

• y = 1.35x

• y = 1x

• y = 2.7x

• x = 5.4y

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Tags

CCSS.6.EE.C.9

Write an equation for this relationship.

• y=10.99x
• y=22.98x
• y=22x
• y=21.98x

Tags

CCSS.5.OA.B.3

Write an equation to represent the graph.

• y = 5x

• y = 10x

• y = 1/5x

• y = -5x

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

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.1

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.3

Which of the following equations represents the total cost, C, for the number of sandwiches, S, where each sandwich costs $7?

• S = 7c
• C = 7s
• S = 7/c
• C = s/7

• $7 per hour plus a tip of $7
• 7 hours per dollar
• $14 per hour
• $14 per hour plus $7 in tips

Tags

CCSS.8.EE.B.5

What is the equation for this table?

• y = 2x + 2
• y = x + 6
• y = 3x
• y = x - 8

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage.  If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?

• C = 15 + 0.20x
• C =15 (0.20x)
• C = 15 + x + 0.20
• C = 0.20 + 15x

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat.  Write an equation for C, the total cost, to rent the boat for h hours.

• h = 2C + 15
• C = 15h + 2
• h = 15C + 2
• C = 2h + 15