Use substitution to determine whether the given x-value is a solution of the equation.sin x = - 
, x = 
A. Yes
B. No
Answer: A
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Find the polar coordinates of the point(s) of intersection of the given curves for 
r = 8 + 7 sin ?, r = 8 + 7 cos ?
A. 
, 
B. 
, 
C. 
, 
D. 
, 
If the equation represents a hyperbola, find the center, foci, and asymptotes. If the equation represents an ellipse, find the center, vertices, and foci. If the equation represents a circle, find the center and radius. If the equation represents a parabola, find the focus and directrix. 16x2 + 64x + 25y2 - 100y - 236 = 0
A. C: (-2, 2); V: (-7, 2), (3, 2); F: (-6, 2), (2, 2) B. C: (-2, 2); V: (-7, 2), (3, 2); F: (-5, 2), (1, 2) C. C: (-2, 2); V: (2, -7), (2, 3); F: (2, -5), (2, 1) D. C: (-2, 2); V: (2, -7), (2, 3); F: (2, -6), (2, 2)
Find the product.5x7(-8x6 + 7x2 + 10)
A. -40x13 + 7x2 + 10 B. -40x13 + 35x9 + 50x7 C. -40x13 + 35x9 D. -40x6 + 35x2 + 50
Solve using the formula for the future value of an ordinary annuity.Given the monthly payment, R, the annual interest rate, r, and the number of monthly payments, nt, find the future value of the annuity.R = $1300; r = 8.5%; nt = 17
A. $24,198.38 B. $23,397.81 C. $17,548.36 D. $24,398.04