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solving for constant of proportionality
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The point on the graph is (4, 28). What is the constant of proportionality?
7
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 math vocabulary have you learned this unit which you should use in your explanations?
Constant of proportionality, unit rate, equivalent ratios, origin, equation
In a written response, how many math strategies should you show for your evidence?
2! Solve and check your work another way
In a written response, at least how many sentences total do you need to make a paragraph?
3! Claim sentence and 2 sentences for Reasoning!
Is the equation d=45t a proportional relationship? If it is-what is the constant of proportionality?
Yes. The constant is 45
Is the equation y=50x-3 a proportional relationship? If it is-what is the constant of proportionality?
No. There's no constant
Is the equation y=0.3f a proportional relationship? If it is-what is the constant of proportionality?
Yes- 0.3
Is this relationship proportional? How do you know?
No-It does not cross the origin
Is this relationship proportional? How do you know?
Yes-it's a straight line through the origin
Is this relationship proportional? How do you know?
No! It's not a straight line
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 value of the "?" in this equation 5=? times 2
?=2.5
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
Convert 4/5 to a decimal
4 divided by 5= 0.8
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 3.75 as a fraction?
15/4
What is the value of the "?" in this equation 5 times ? = 24
?=4.8
The point on the graph is (6, 47.94). What is the constant of proportionality?
7.99
Is the equation y=3x a proportional relationship? If it is-what is the constant of proportionality?
Yes- the constant is 3
What is the constant of proportionality in this table?
times 12
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