Find all values of x for which the following is true:
?
sec x = -1
?
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Graph the function on a grapher. Then use the grapher to find the x- and y-intercepts. Round to the nearest hundredth if necessary.f(x) = -10.3x2 + 8.45x + 6.34
A. (-0.48, 0), (0, 6.34) B. (-0.48, 0), (1.30, 0), (0, 6.34) C. (-1.30, 0), (0.48, 0), (0, -6.34) D. No x-intercepts, (0, 6.34)
Mathematics
Solve by using the multiplication principle to clear fractions.
a - 
= -5
A. 16 B. -16 C. 14 D. -14
Mathematics
Factor; then use fundamental identities to simplify the expression below and determine which of the following is not equivalent.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Find fraction notation for the ratio. You need not simplify.27.83 to 78.59
A. 
B. 
C. 
D. 
Mathematics