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ciara_chap3
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Suppose a parabola has vertex (5, –3) and also passes through the point (6, 1). Write the equation of the parabola in vertex form.
A. y = (x – 5)2 – 3
B. y = 4(x – 5)2 – 3
C. y = 4(x + 5)2 – 3
D. y = 4(x – 5)2 + 3
 one year ago
 one year ago
ciara_chap3 Group Title
Suppose a parabola has vertex (5, –3) and also passes through the point (6, 1). Write the equation of the parabola in vertex form. A. y = (x – 5)2 – 3 B. y = 4(x – 5)2 – 3 C. y = 4(x + 5)2 – 3 D. y = 4(x – 5)2 + 3
 one year ago
 one year ago

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ParthKohli Group TitleBest ResponseYou've already chosen the best response.2
Play smart.
 one year ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.2
Eliminate the choices that DON'T have the vertex = (5,3).
 one year ago

ciara_chap3 Group TitleBest ResponseYou've already chosen the best response.0
i know its either a or b but from their i dont know what to do.
 one year ago

ciara_chap3 Group TitleBest ResponseYou've already chosen the best response.0
just kidding i thought it was 5. so it has to be c since thats the only one with +5
 one year ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.2
You're perfectly right. Now check if (6,1) is also a point in both the choices.
 one year ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.2
No, it's A or B.
 one year ago

ciara_chap3 Group TitleBest ResponseYou've already chosen the best response.0
a and b both have 5 its +5
 one year ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.2
The standard form is this:\[\rm y = a(x  h)^2 + k\](h,k) is the vertex.
 one year ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.2
It's either A or B. Get it now?
 one year ago

ciara_chap3 Group TitleBest ResponseYou've already chosen the best response.0
yeah i get it now. but how do i check if (6,1) is also a point?
 one year ago

ParthKohli Group TitleBest ResponseYou've already chosen the best response.2
You plug in 6 for x and 1 for y, then check if both sides are equal.
 one year ago
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