Find the eccentricity of the hyperbola.Find the eccentricity of a hyperbola centered at the origin having a focus of 
and corresponding directrix 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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The graph of the polynomial f(x) is shown in the figure. Estimate the zeros and state whether their multiplicities are odd or even.
A. -3 (even), -1 (odd), 1 (odd), 3 (even) B. -3 (odd), -1 (even), 1 (even), 3 (odd) C. -3 (odd), -1 (odd), 1 (odd), 3 (odd) D. -3 (even), -1 (even), 1 (even), 3 (even)
Mathematics
Perform the indicated operations. Simplify the result.
- 
- 
A. 
B. 
C. 
D. 
Mathematics
Write the inequality in interval notation and graph on a real number line.-3 < x ? 1
A. [-3, 1)
B. [-3, 1]
C. (-3, 1)
D. (-3, 1]
Mathematics
Factor the GCF from each term in the expression.18x4y5 + 21xy2 + 9z2
A. 3z2(6x4y5 + 7xy2 + 3) B. 3(6x4y5 + 7xy2 + 3z2) C. 3xyz(6x3y4 + 7y2 + 3z) D. No common factor
Mathematics