Solve the quadratic equation. x2 - 7x - 18 = 0
A. {-2, -9}
B. {2, -9}
C. {2, 9}
D. {-2, 9}
Answer: D
Mathematics
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Solve using Cramer's rule, if possible. If it is not possible, state whether the system is inconsistent or has infinitely many solutions.
A. (-3, 5) B. (5, -3) C. (3, -5) D. (-5, -3)
Mathematics
Solve.A sign board has an area of 209 m2. The length of the diagonal is 
m. What are the dimensions of the sign?
A. 11 m by 22 m B. 11 m by 19 m C. 13m by 19 m D. 12 m by 18 m
Mathematics
Factor the expression completely, if possible.49z3 + 112z2 + 64z
A. (7z2 + 8z)2 B. z(7z + 8)2 C. z(7z - 8)2 D. z2(7z + 8)2
Mathematics
Determine the quadrant in which the terminal side of angle ? lies.sin ? > 0 and cos ? < 0
A. Quadrant III B. Quadrant II C. Quadrant IV D. Quadrant I
Mathematics