Proportional Relationships With Algebra

How do you know that this is a proportional relationship?

• The unit rate .25

• The rate of change is constant and (0,0) is a solution.

• All of the ratios are equal

• All of the answers are correct

Tags

CCSS.7.RP.A.2A

Is the given table a proportional relationship? If so, what is the unit rate?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

Tags

CCSS.7.RP.A.2B

Is the change in cost proportional to the change in miles?

• Yes

• No

Tags

CCSS.7.RP.A.2A

Which equations represents the relationship between pounds of food (y) and bags of dog food (x)?

• y=10x

• y=3x

• y=3x+1

• y=x+3

Tags

CCSS.8.EE.B.5

The graph shows the relationship of the amount of time (in seconds) to the distance (in feet) run by a jaguar.

Is the distance run by the Jaguar proportional to the time? Why or why not?

• Yes because the graph creates a straight line that passes through the origin.

• No because the graph does not create a straight line.

• No because the graph does not pass through the origin.

Tags

CCSS.7.RP.A.2D

A graph needs to go through _____ to be proportional.

• The origin

• The y-intercept

• The y-axis

• The x-axis

Tags

CCSS.7.RP.A.2D

The total number of washcloths, y, contained in, x, packages. If there were 8 packages, which of the following equations best represents this graph?

• y = 8 + x

• y = 8 - x

• y = 8x

• y = 8/x

Tags

CCSS.8.EE.B.5

A graph needs to be a straight line and goes through _____ to be proportional.

• The origin

• The y-intercept

• The y-axis

• The x-axis

Tags

CCSS.7.RP.A.2D

• y = x + 4
• 5x = y
• y = x + 5
• x/5 = y

Tags

CCSS.HSF-LE.A.1B

Match the proportional equation to the real life story.

• The recipe calls for 3 cups of sugar per 4 servings.

• There are 2 red drops and
  3 drops in purple paint

• In 4 seconds sail cars move 3 feet.

• It costs $4.30 per gallon of gas.

• The donuts are 2 for $3

Tags

CCSS.7.RP.A.2B