Question: For the exercises in this lesson, you may find it helpful to use a window on your calculator that has friendly x-values. A background grid

For the exercises in this lesson, you may find it helpful to use a window on your calculator that has friendly x-values. A background grid may also be helpful.
1. Identify each quadratic function as being in general form, vertex form, factored form, or none of these forms.
a. y = -3.2(x + 4.5)2
b. y = 2.5(x + 1.25)(x - 1.25) + 4
c. y = 2x(3 + x)
d. y = 2x2 - 4.2x - 10

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