Equations to Represent Relationships Between Two Quantities

What is a proportion?

• When two ratios can be simplified
• When two ratios are equivalent and show the same value
• When two ratios have the exact same numbers
• When two ratios can be multiplied by 2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Write an equation for this relationship.

• y=5x

• y=1/5x

• y=2x

• y=1/2x

Tags

CCSS.6.EE.C.9

What is the equation y=kx for the table?

• y=1/3x
• y=3x
• y=5x
• y=1/5x

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Four customers at a gas station this morning each purchased the same type of gasoline. The table below shows the amounts of gasoline they purchased and the costs. What equation shows the total cost it would be, C, for, n, gallons of this type of gasoline?

• C = 0.25n

• C = 1/4n

• C = 3n

• C = 4n

Tags

CCSS.7.RP.A.2C

What is the equation?

• y = 1/4x

• y = 4x

• y = x + 4

• y = x - 4

Tags

CCSS.5.OA.B.3

Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $200 earned for every 2 hours worked
  is the unit rate
• $500 is earned for every 8 hours worked
• $300 is earned after working 4 hours

Tags

CCSS.8.EE.B.5

The table shows the weight in pounds of objects on earth compared to objects on the moon.  If an object on earth weighs 42 lbs, what is its weight on the moon?

• 7 lbs
• 12 lbs
• 84 lbs
• 252 lbs

Tags

CCSS.4.MD.A.2

The time in minutes it takes a sloth to move a certain distance in feet is shown in the graph above.  How far can a sloth move in 5 minutes?

• 1 foot
• 10 feet
• 20 feet
• 30 feet

Tags

CCSS.8.EE.B.5

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

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $200 earned for every 2 hours worked

  is the unit rate

• $62.50 is earned for every hour worked

• $300 is earned after working 4 hours

Tags

CCSS.7.RP.A.2D