First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.f(x) = -x2 + 17x - 72
A. No x-intercepts; y-intercept: -72
B. x-intercepts: 8 and 9; y-intercept: -72
C. x-intercepts: 8 and -9; y-intercept: 17
D. x-intercepts: -8 and -9; y-intercept: 72
Answer: B
Mathematics
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Simplify.
A. - 
B. - 
C. 
D. 
Mathematics
Solve the problem.After a 16% price reduction, a boat sold for $26,880. What was the boat's price before the reduction? (Round to the nearest cent, if necessary.)
A. $168,000.00 B. $31,180.80 C. $32,000 D. $4300.80
Mathematics
The problem that follows refers to triangle ABC.
?
If 
and 
inches, find c.
?
Apply the rules regarding the use of significant digits after all computations are complete.
?
A. 6.0 inches B. 9 inches C. 11 inches D. 8.0 inches E. 12 inches
Mathematics
Simplify the expression.(-8) + 70 ÷ (-7)
A. -18 B. -9 C. 9 D. 18
Mathematics