Determine if the two lines are parallel, perpendicular, coinciding, or only intersecting.x = -10y = 5
A. parallel
B. coinciding
C. intersecting
D. perpendicular
Answer: D
Mathematics
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Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 
B. 
C. 
D. 1
Mathematics
Identify and graph the conic section. Label the center and/or vertex as appropriate.7y2 - 7x2 = 63
A. circle; center (0, 0)
(-3, 0), (3, 0), (0, -3), (0, 3)
B. hyperbola; center (0, 0);
(0, -9), (0, 9)
C. hyperbola; center (0, 0);
(0, -3), (0, 3)
D. hyperbola; center (0, 0);
(-3, 0), (3, 0)
Mathematics
Find the requested function value for the given function. Round the answer to the nearest tenth when necessary.If f(x) = 
, find the value of f(1).
A. 6 B. 2.4 C. 1.4 D. 2
Mathematics
Evaluate the function.f(x) = (x - 5)(x + 2); Find f(a).
A. a2 + 10 B. a2 - 10 C. (a - 5)(a + 2) D. (a - 5)(a - 2)
Mathematics