Solve the equation using the quadratic formula (when necessary, round results to three significant digits).
A. -1.23, 1.90
B. -1.10, 1.83
C. -1.10, 1.90
D. -1.23 , 1.83
E. -1.23
Answer: A
Mathematics
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Graph the function.f(x) = -x3 + 5
A. 
B. 
C. 
D. 
Mathematics
Solve.Z = A(1 + x)1/3, for x
A. x = 
3
B. x = 
3
C. x = 
3 - 1
D. x = 
3 + 1
Mathematics
Determine whether the sequence is arithmetic.2, -3, -8, -13, -18, ...
A. Arithmetic B. Not arithmetic
Mathematics
The scores for a standardized reading test are found to be normally distributed with a mean of 310 and a standard deviation of 40. If the test is given to 510 students, how many are expected to have scores between 310 and 350?
What will be an ideal response?
Mathematics