Find the measure of the missing angle
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Answer:
Step-by-step explanation:
To write the quadratic equation, begin by writing it in vertex form
Where (h,k) is the vertex of the parabola.
Here the vertex is (-2,-20). Substitute and write:
To find a, substitute one point (x,y) from the parabola into the equation and solve for a. Plug in (0,-12) the y-intercept of the parabola.
The vertex form of the equation is .
You can convert this into standard form by using the distributive property.