Solve the following system by any appropriate method. If there is no real number solution, so state.y2 + 3x2 = 17y2 - x2 = 1
A. (2, 
), (2, -
), (-2, 
), (-2, -
)
B. (2, 
), (-2, 
)
C. (2, -
), (2, 
)
D. (3, 
), (3, -
), (-3, 
), (-3, -
)
Answer: A
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The following table shows the population, in millions, of a certain town in the given year.
1985198719891991
2397221320461877?
A. Calculate the average rate of change in population from 1987 to 1989. (Be careful to get the sign right.)B. Explain in practical terms the meaning of the number you calculated in part A.C. Use averaging to estimate the population in 1988.
What will be an ideal response?
Add or subtract as indicated. Write the answer in simplest form.7 - 
A. 
B. 
C. 
D. 
Solve the absolute value equation.
- 9 = 6
A. x = 26 B. no solution C. x = 2, 26 D. x = -34, 26
Find the y-intercept for the graph of the quadratic function.f(x) = (x + 1)2 - 1
A. (0, 2) B. (0, 1) C. (0, -1) D. (0, 0)