Describe the location of the point that has the following coordinates. negative abscissa, zero ordinate
Question
Updated 11/29/2014 9:02:19 PM
This conversation has been flagged as incorrect.
Flagged by janezeshun [11/29/2014 9:02:19 PM]
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Original conversation
User: Find the vertex of the parabola whose equation is y = x^2 + 2x + 9

User: Describe the location of the point that has the following coordinates. negative abscissa, zero ordinate

a_dgzmn|Points 96|

User: Which of the following equations is of a parabola with a vertex at (0, 6)

User: Nick is now seven times as old as Harry. In 6 years, Nick will be five times as old as Harry. How old will Harry be in 6 years?

Question
Updated 11/29/2014 9:02:19 PM
This conversation has been flagged as incorrect.
Flagged by janezeshun [11/29/2014 9:02:19 PM]
Rating
5
The vertex of the parabola whose equation is y = x^2 + 2x + 9 is (-1 , 8) .

x = -2/2 = -1
when x = - 1
y = (-1)^2 + 2*(-1) + 9
y = 1 - 2 + 9
y = 8
Confirmed by jeifunk [11/30/2014 2:22:49 AM]
5
Harry will be 18 years old in 6 years .
Let Nick now is y , Harry now is x
y = 7x
y + 6 = 5(x + 6)
we ger x = 12
y = 84
x + 6 = 12 + 6 = 18
So Harry is 18 in 6 years
Confirmed by jeifunk [11/30/2014 2:23:13 AM]

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Question
Updated 12/1/2014 10:19:52 PM
(x - 7)(y - 9)
= x*y - 7*y - 9*x + (-7)*(-9)
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Confirmed by jeifunk [12/2/2014 3:16:38 AM], Rated good by jeifunk
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Updated 11/30/2014 7:43:37 PM
The equation of the line that passes through the points (4,2) and (-2,-3) in slope intercept form is y=5/6x-4/3
when x = 3,
5x + (-2x^2) = 5(3) - 2(3^2) = 15 - 18 = -3
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Confirmed by yumdrea [11/29/2014 6:39:27 PM]
The solution for (x + 5 < 4) (x - 3 > -6) is -3 < x < -1
Holy crap, im glad we have people on here like you to solve this lol
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