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| PAGE: 309 | SET: Exercises | PROBLEM: 35 |
Observe the graph;
The vertex of the parabola is at 
,So 
and 
.
Since 
is a point on the graph, it satisfies the vertex form of the parabola.
Vertex equation form is 
.
Find 
.
(Vertex form)
(Substitute 
and 
)
(Simplify)
(Subtract 
from each side)
(Apply additive inverse property: 
)
The equation of the parabola in vertex form is 
.
The equation of the parabola in vertex form is 
.
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