Is the equation d=45t a proportional relationship? If it is-what is the constant of proportionality?
Yes. The constant is 45
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15
The point on the graph is (6, 47.94). What is the constant of proportionality?
7.99
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trap
No points!
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shark
Other team loses 5 points!
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shark
Other team loses 20 points!
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lifesaver
Give 20 points!
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boom
Lose 50 points!
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gift
Win 20 points!
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shark
Other team loses 10 points!
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banana
Go to last place!
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15
Is this relationship proportional? How do you know?
Yes-it's a straight line through the origin
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15
Is the equation y=0.3f a proportional relationship? If it is-what is the constant of proportionality?
Yes- 0.3
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15
Is this relationship proportional? How do you know?
No-It does not cross the origin
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15
What is the value of the "?" in this equation 5 times ? = 24
?=4.8
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boom
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gold
Win 50 points!
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gift
Win 20 points!
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thief
Give points!
5
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15
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25
15
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)
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15
What is 3.75 as a fraction?
15/4
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15
Is the equation y=3x a proportional relationship? If it is-what is the constant of proportionality?
Yes- the constant is 3
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15
What is the value of the "?" in this equation 5=? times 2
?=2.5
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15
What math vocabulary have you learned this unit which you should use in your explanations?
Constant of proportionality, unit rate, equivalent ratios, origin, equation
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15
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
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15
The point on the graph is (4, 28). What is the constant of proportionality?