Math 2 Final Exam Review Units 1 - 3

Front

What is the cosine of angle B if \( \cos(B) = \frac{7}{25} \)?

Back

The cosine of angle B is \( \frac{7}{25} \).

Front

What is the value of x if it is rounded to the nearest tenth and the answer is 16.4?

Back

The value of x is 16.4.

Front

If the equation for x is solved and the answer is 6, what was the problem?

Back

The problem involved finding x based on given conditions, resulting in x = 6.

Front

What is the measure of the indicated angle if the answer is 55.2°?

Back

The measure of the indicated angle is 55.2°.

Front

Apply the transformation (x,y) --> (-y,x) to the point (9,-7). What is the new point?

Back

The new point is (7,9).

Front

Define sine in relation to a right triangle.

Back

Sine is the ratio of the length of the opposite side to the length of the hypotenuse.

Front

Define cosine in relation to a right triangle.

Back

Cosine is the ratio of the length of the adjacent side to the length of the hypotenuse.

Front

Define tangent in relation to a right triangle.

Back

Tangent is the ratio of the length of the opposite side to the length of the adjacent side.

Front

What is the Pythagorean theorem?

Back

The Pythagorean theorem states that in a right triangle, \( a^2 + b^2 = c^2 \), where c is the hypotenuse.

Front

What is the formula for finding the area of a triangle?

Back

The area of a triangle is given by \( \text{Area} = \frac{1}{2} \times \text{base} \times \text{height} \).