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solving for constant of proportionality

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  • Is this table proportional? If yes, what is the constant of proportionality?
    No there is no constant. The ratios of y/x are not equivalent
  • What is the constant of proportionality?
    3 gallons per minute
  • Is this table proportional?
    yes
  • What is the constant of proportionality?
    1/3 of a dollar ($0.33) per pound
  • Convert 4/5 to a decimal
    4 divided by 5= 0.8
  • The point on the graph is (4, 28). What is the constant of proportionality?
    7
  • Is this relationship proportional? How do you know?
    Yes-it's a straight line through the origin
  • What is the constant of proportionality?
    (1/2) or $0.50 per shirt
  • What is the constant of proportionality?
    46 miles an hour
  • Is this table proportional?
    No
  • Is this relationship proportional? How do you know?
    No! It's not a straight line
  • What is the constant of proportionality?
    1/2 bale per mule
  • What is the constant of proportionality?
    $0.50 per cookie
  • What is the constant of proportionality?
    5 gallons per minute
  • What is the constant of proportionality?
    2 miles per hour
  • What is the constant of proportionality?
    5
  • What is the constant of proportionality?
    5 balls per minute
  • A mini race car goes 36 cm in 1.8 seconds. What is the constant of proportionality for seconds per centimeter?
    20 seconds per centimeter (or 1 centimeter in 20 seconds)
  • Is the equation y=50x-3 a proportional relationship? If it is-what is the constant of proportionality?
    No. There's no constant
  • One equation that can be used to represent the relationship between the price p (in dollars), for k, kilo’s of gummy bears is k = 4/7p. What does the 4/7 represent in this scenario?
    for $1 you get 4/7 of a kilo
  • What is the constant of proportionality?
    6/5 of a mile per hour
  • What is the constant of proportionality in this table?
    times 12
  • What is 3.75 as a fraction?
    15/4
  • What is the constant of proportionality?
    1/2
  • A plane flew at a constant speed between Denver and Chicago. It took the plane 1.5 hours to fly 915 miles. What is the constant of proportionality?
    610 --> (601 km per hour)
  • What is an equivalent ratio to 4:6?
    2:3. 8:12, 12:18 etc....any ratio that equals 0.6666667 when converted to a decimal
  • Is this table proportional?
    Yes
  • One equation that can be used to represent the relationship between the price p (in dollars), for k, kilo’s of gummy bears is p = 7/4 k. What does 7/4 mean?
    1 kilo costs $7/4 (or $1.25)
  • A certain shade of pink is created by adding 3 cups of red paint to 7 cups of white paint. How many cups of red paint should be added to 1 cup of white paint?
    3/7 cups of red paint
  • What is the constant of proportionality?
    2
  • The point on the graph is (6, 47.94). What is the constant of proportionality?
    7.99
  • What is the constant of proportionality?
    3.5
  • Is the equation y=0.3f a proportional relationship? If it is-what is the constant of proportionality?
    Yes- 0.3
  • A mini race car goes 36 cm in 1.8 seconds. What is the constant of proportionality for cm per second?
    0.05
  • What are some of the important math vocabulary words we have discussed in this unit that you should know?
    Constant of proportionality, unit rate, equivalent ratios, origin, constant
  • What is the constant of proportionality?
    2/3 of a lap per minute
  • What is the constant of proportionality?
    5
  • Is the equation d=45t a proportional relationship? If it is-what is the constant of proportionality?
    Yes. The constant is 45
  • One equation that can be used to represent the relationship between the price p (in dollars), for k, kilo’s of gummy bears is p = 7/4 k. What other equation can describe this scenario?
    4/7p = k
  • Is the equation y=3x a proportional relationship? If it is-what is the constant of proportionality?
    Yes- the constant is 3
  • The point on the graph is (6, 47.94). What is the constant of proportionality?
    7.99
  • Is this table proportional?
    No
  • What mathematical operation is taking place with a fraction?
    DIVISION- divide the numerator by the denominator (how many times does the bottom number go into the top number)
  • What is the constant of proportionality?
    1/6 of a pound
  • Is this relationship proportional? How do you know?
    No-It does not cross the origin
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