Solve the quadratic equation by completing the square.z2 + 4z - 7 = 0
A. 2 + 
B. -2 ± 2
C. -2 ± 
D. -1 ± 
Answer: C
Mathematics
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Convert.77.5 hectograms to kilograms
A. 7750 kg B. 0.775 kg C. 77.5 kg D. 7.75 kg
Mathematics
Find the area of the geometric figure.Parallelogram
A. 315 sq ft B. 64 sq ft C. 3150 sq ft D. 1015 sq ft
Mathematics
Solve triangle, if possible. Round angles an side lengths to the nearest tenth when necessary.
A. B = 60°, C = 90°, b = 6 B. B = 90°, C = 60°, b ? 10.4 C. B = 60°, C = 90°, b ? 10.4 D. No solution
Mathematics
Solve the equation.y - 4 = -4
A. y = 8 B. y = 0 C. y = -8 D. y = 4
Mathematics