Find the zeros of the quadratic function by completing the square. List the x-intercepts of the graph of the function.f(x) = x2 - 
x - 
A. x = 
, x = 
B. x = 
, x = - 
C. x = - 
, x = - 
D. x = - 
, x = 
Answer: B
Mathematics
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Solve the given equation for x.y = 7 cos-1 
A. x = 4 cos 7y
B. x = 4 sin 7y
C. x = 7 cos 
D. x = 4 cos 
Mathematics
Solve the problem.If ? is the golden ratio and FN is the Nth Fibonacci number, then ?N =
A. FN?. B. FN? + FN-1. C. FN? - FN-1. D. FN. E. none of these
Mathematics
Shade the solution set in the xy-plane.
- 
? 1x2 + y2 ? 36
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A computer can do one calculation in 1.4 × 10-7 seconds. Write this number in standard notation.
A. 0.000014 B. 0.000000014 C. 14,000,000 D. 0.00000014
Mathematics