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- 1. Multiple Choice
How do you find the constant of proportionality for an equation?
The number in front of y
The number in front of x
The number added to x
The number subtracted from x
- 2. Multiple Choice
In what form is the equation of a proportional relationship?
y = mx + b
y = kx
- 3. Multiple Choice
How do you know if a table is proportional?
x-y is the same for each ordered pair
The cross products are equal
x + y is the same for each ordered pair
It has a constant of proportionality
- 4. Multiple Choice
How do you find the constant of proportionality for a table?
Look for the k value in front of the x
Use the equation k = x/y
Use the equation k = y/x
Find the number you multiply x by to get y
- 5. Multiple Choice
A graph is proportional if...
It is straight
It passes through the origin
Its straight and it passes through the origin
- 6. Multiple Choice
How do you find the constant of proportionality for a graph?
Pick a point on the line and use the formula x/y
Pick a point on the line and use the formula y/x
- 7. Multiple Choice
The constant of proportionality can also be called the...
Equation of a proportional relationship
Unit Rate
Origin
Y-intercept
- 8. Multiple Choice
Does this graph show a proportional relationship?
Yes, because it is straight
Yes, because it goes through the origin
Yes, because it is straight and goes through the origin
No, it is not
- 9. Multiple Choice
Does this graph show a proportional relationship?
Yes, because it is a straight line
Yes, because it goes through the origin
Yes, because it is a straight line and goes through the origin
No, it is not
- 10. Multiple Choice
Does this equation represent a proportional relationship?
y = 2 + 7x
Yes, because it has a constant of proportionality
Yes, because it will be a straight line
No, because it will not be a straight line
No, because it will not go through the origin
- 11. Multiple Choice
Which of the following represents a proportional relationship?
5x = y
5x + 1 = y
1 - 5x = y
(x)(x) = y
- 12. Multiple Choice
Which of the following is the constant of proportionality for this equation?
y = 4x
4x
4
y
- 13. Multiple Choice
Which of the following is the constant of proportionality for this equation?
y = -x
y
-x
-1
- 14. Multiple Choice
What is the equation for the following proportional table?
x = 12y
y = 1/12 x
y = 12x
x = 1/12 y
- 15. Multiple Choice
What is the constant of proportionality for the following table?
k = 2/3
k = 3
k = 2
k = 3/2
- 16. Multiple Choice
What is the constant of proportionality for the following graph?
100
10
1/10
- 17. Multiple Choice
What is the unit rate for the following graph?
1/3
1
3
6
- 18. Multiple Choice
Which proportional relationship has a greater constant of proportionality?
A
B
The are the same
There is not enough information provided
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