Given the vertex of a parabola is (-3,1) and also contains the point (-4,-1). State the exact equation of the parabola in vertex form, show all your work.

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Ответ:

lcoronilla96

10.02.2020

Mathematics

C. 60°

Step-by-step explanation:

The angle A is exterior in terms of the triangle with 30° angles.

The exterior angle is the sum of non - adjacent interior angles, therefore:

m∠A = 30° + 30° = 60°

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