As written here, both choices B and C represent proportional relationships:
... B. y = 12x
... C. y = 3x
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One key to a proportional relationship is that when one variable is zero, so is the other. This will not be the case for selections A and D.
Answer:
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Step-by-step explanation:
Given :
In 2006, 65.2 million people subscribed to cable television.
In 2013, that number had decreased to 54.2 million.
To Find :
The percent decrease in the number of cable TV subscribers from 2006 to 2013.
Solution :
Decrease in the number of cable TV subscribers from 2006 to 2013 is :
Therefore, percentage decrease is 16.87 %.
Try this option:
rule: common equation for a parabola is y=ax²+bx+c. If to re-write this equation in the form y=(x+m)²+n, then point (-m;n) is vertex of this parabola.
According to the described rule vertex is (7;9).
The graph of this function is in the attachment.
What does it mean by property