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Proportional Relationships-Relaciones Proporcionales
Test Description: Select the correct answer.
Instructions: Answer all questions to get your test result.
1) What is a Unit Rate
A
A variable
B
A comparison between quantities
C
A ratio that compares a x elements of a quantity with ONE unit of another element.
D
A animal with 5 legs
2) What is a Proportional Relationship
A
A plane
B
A variable
C
A relationship between two quantities, where the ratio of one quantity to another is constant, y=kx
D
A fraction
3) What is a Rate
A
A car with 3 wheels
B
A Ratio that compares two quantities with different units
C
a Ratio that compares two quantities with same units
D
An equation
4) What is the Constant of proportionality
A
A winged cat
B
The contant value that is the rate between to quantities when they are proportional
C
a system of equations
D
a number that change
5) Is 4/3 proportional to 24/18
A
yes
B
sometimes
C
always
D
no
6) Is the weight of a book proportional to the number of pages?
A
no
B
depends of the material of of pages
C
yes
D
depends on the type of book
7) Is the number of teeth proportional to someone age?
A
Always
B
sometimes
C
No
D
yes
8) Does the graph or a proportional relationship a curve?
A
Depends.
B
No
C
yes
D
Only if the constant of proportionality is 3
9) Does the graph of a constant relationship goes trought (0,0)
A
no
B
Sometimes
C
yes
D
Never
10) The Constant of proportionality can be find dividing y and x
A
sometimes
B
depend
C
yes
D
no
*select an answer for all questions
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