Kari and Kelly are selling spirit ribbons to raise money for the basketball team. The graph shows the relationship between the n
umber of ribbons each of them has left to sell and the number of days that they have been selling ribbons. Spirit Ribbon Sales Kelly Number of Ribbons Left to Sell Kari Number of Days On which day does it appear that Kari and Kelly will have the same number of ribbons left to sell?
1 answer:
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Answer:
<h2>In the attachment</h2>Step-by-step explanation:
The point-slope form of an equation of a line:
m - slope
(x₁, y₁) - point
We have the equation:
Therefore we have
the slope m = -2/3
and the point (-9, 5)
A slope
rise = -2
run = 3
From the point (-9, 5) ⇒ 2 units down and 3 units to the right.
Answer:
(-1,-6)
Step-by-step explanation:
(Replaced x in f with (x-2))
(Used
and distributive property)
(Gathered like terms)
(Simplified)
The vertex of a parabola occurs at .
Let's find first.
Now we can obtain which is
in this case:
.
The vertex is (-1,-6).