Erin C.

Tutor for 20 years, UCLA Graduate, Academy Teacher

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Geometry

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Question:

Determine if the following triangles are congruent and by what postulate. Sides of Triangle 1 are 2, 3, 4. Sides of Triangle 2 are 3, 4, 2.

Erin C.

Answer:

Triangle 1 and 2 are congruent by SSS postulate.

Pre-Algebra

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Question:

$$2x+5x=14$$

Erin C.

Answer:

$$x=2$$

Algebra

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Question:

$$ 3x^2 + 6x - 9 = 0 $$

Erin C.

Answer:

$$ x = -3$$ $$x= 1 $$

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