Use synthetic division to determine whether the number k is an upper or lower bound (as specified) for the real zeros of the function f.k = 1; f(x) = x4 + 2x3 + 5x2 - 2x + 1; Upper bound?
A. No
B. Yes
Answer: B
Mathematics
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A ball is thrown at an angle of 45° to the ground. If the ball lands 90 m away, what was the initial speed of the ball? Let g= 9.82 m/s.
What will be an ideal response?
Mathematics
Convert to rectangular coordinates.
A. (6
, -6
)
B. (6
, 6
)
C. (-6
, 6
)
D. (-6
, -6
)
Mathematics
Write the expression with only positive exponents. Assume all variables represent nonzero numbers. Simplify if necessary.r-7
A. r1/7
B. -r7
C. - 
D. 
Mathematics
Complete the table for the equation.y = -6x - 16 
A. 2; -16; 1 B. -3; -16; 1 C. 2; 0; 1 D. 2; -20; 1
Mathematics