Solve the quadratic equation by completing the square.x2 + 8x - 7 = 0
A. x = -4 ± 2
B. x = 4 + 
C. x = -1 ± 
D. x = -4 ± 
Answer: D
Mathematics
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Write the sentence as an equation. Let the variable x represent the number.The sum of twice a number and 8 is 14.
A. 2x - 8 = 14 B. x + 16 = 14 C. 16x = 14 D. 2x + 8 = 14
Mathematics
Use the formula for 
to evaluate the expression.
A. 3,628,800 B. 5 C. 725,760 D. 10
Mathematics
Use a graphing calculator to determine the x-intercepts.f(x) = 6x2 - 17x - 3
A. 
, (3, 0)
B. (-6, 0), (3, 0)
C. 
, 
D. 
, (6, 0)
Mathematics
For the payoff matrix 
the value is:
A. 9 B. 7 C. 6 D. 5
Mathematics