Vocabulary
The numbers on the left side of a table (on the x-axis on a graph)
What is inputs
What point on a graph does every proportional relationship cross through?
What is the constant of proportionality in the following equation:
a=4.5b
What is k=4.5
What is NON-PROPORTIONAL
The numbers on the right side of a table (on the y-axis on a graph)
What is outputs
What is NOT proportional
What is No (the line is not straight and does not cross through the origin)
What is the format for a proportional equation?
What is y=kx
In a proportional relationship, the value of the number you multiply all the inputs by the get the corresponding outputs.
What is the constant of proportionality (k)
What is Yes (straight line, crosses through the origin)
Create the equation using the following information:
input=r ; output=t ; k=9
What is t=9r
Is the following equation proportional or non proportional?
y=14x
What is PROPORTIONAL
When the values for one quantity are each multiplied by the same number to get the values for the other quantity
What is a Proportional Relationship
What is k=1/2 (or k=0.5)
A proportional graph must meet what TWO conditions?
What is:
1) passes through the origin
2) is a straight line
The input is hours (h) , the output is miles (m), and the car is driving at a constant speed of 65 miles per hour
What is m=65h
Is the following equation proportional or non-proportional?
w=4t+2
What is NON-PROPORTIONAL
When you can multiply each of the numbers in the first ratio by the same factor to get the numbers in the second ratio.
What is Equivalent Ratios
What is y=1/2x (or y=0.5x)
What is non-proportional (doesn't pass through the origin)