Solve the problem.Find k if x = 
is a solution of the equation kx2 + x + 8 = 0.
A. k = 
B. k = 
C. k = 
D. k = 
Answer: B
Mathematics
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Find the length of the curve.x = 
(t2 + 6) 3/2, y = 6t, 0 ? t ? 1
A. 20
B. 
C. 
D. 
Mathematics
Find the range of the function.f(x) = 
A. (-?, 0) ? (0, ?) B. (-?, 0) ? [5, ?) C. (-?, ?) D. (-?, 0) ? [1, ?)
Mathematics
The pair of angles is supplementary. Given the measure of one of the angles, find the measure of the other angle.?ABC = 130°
A. ?PQR = 310° B. ?PQR = 70° C. ?PQR = 50° D. ?PQR = 230°
Mathematics
Subtract and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics