Solve the system by the addition method.x2 - 2y2 = 23x2 + 2y2 = 14
A. {(1, 2), (-1, 2), (1, -2), (-1, -2)}
B. {(2, 1), (-2, -1)}
C. {(2, 1), (2, -1), (-2, 1), (-2, -1)}
D. {(-1, 2), (1, -2)}
Answer: C
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Answer the question.Which of the following sets of given data provide enough information to solve a right triangle? (More than one choice may be correct.)(i) Length of the shorter leg and measure of one acute angle(ii) Lengths of longer leg and length of hypotenuse(iii) Measures of all three angles
A. (ii), (iii) B. (ii) only C. (i), (ii) D. (i) only
Solve the problem.Given that the polar equation r = 
models the orbits of the planets, compare Earth's orbit relative to the sun with that of Pluto and describe the difference. For Earth, 
and 
For Pluto, 
and 
A. Earth circles the sun, but Pluto does not. B. Earth's orbit closely approximates a circle with the sun positioned at its center. Pluto's orbit is more elliptical with the sun positioned on its long axis about 10 astronomical units away from the center. C. Pluto's orbit closely approximates a circle with the sun positioned at its center. Earth's orbit is more elliptical with the sun positioned on its long axis about 10 astronomical units away from the center. D. The orbits of Earth and Pluto are both circular, with the sun positioned at their centers, but the diameter of Pluto's orbit is about 40 times that of Earth.
Express the distance between the given numbers using absolute value. Then find the distance by evaluating the absolute value expression.31 and -30
A. |-31 + (-30)| = -1 B. |(-30) - 31| = -61 C. |31 - (-30)| = 61 D. |31 + (-30)| = 1
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
A. 
B. 
C. 
D. 