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