Quadratics Models Using Vertex Form Worksheet Page 2
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5Kerr
MPM2D
Applying Quadratic Models
e)
Check your answer for part c.
Substitute the ordered pair back into the
vertex form to see if the left side equals
the right side.
2a)
Write the equation of the parabola from the diagram below in
vertex form.
In order to write the equation in vertex
vertex
__________
form, we need the vertex and the value of
a
__________
a. If a is unknown, we need an ordered pair
ordered pair
__________
on the parabola so we can substitute into
vertex form and solve for a.
I chose this
ordered pair
because it is
easy to read.
b)
What is the optimum value?
____________________
congruent means
c)
Does the parabola have a maximum or a minimum?
the same shape (no
____________________
stretches or
compressions)
2
d)
Is the parabola congruent to the graph of y = x
?
____________________
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