Use the quadratic formula to find the exact solutions.x2 + 4x = 12

A. -2, 6
B. 6, 2
C. -6, -2
D. -6, 2


Answer: D

Mathematics

You might also like to view...

Find the surface area of the geometric solid. If needed, use 3.14 as an approximation for ? and round the answer to the nearest tenth.Circular cylinder: r = 11 ft, h = 7 ft

A. 113 ft2 B. 791.3 ft2 C. 2,659.6 ft2 D. 1,243.4 ft2

Mathematics

Write the equation in exponential form.log4  = -2

A. 2 = 4
B. 416 = 2
C. 24 = 
D. 4-2 = 

Mathematics

Find the specified domain.For f(x) = 2x - 5 and g(x) = , what is the domain of (f ? g)?

A. [0, ?) B. (-10, 10) C. [10, ?) D. [-10, ?)

Mathematics

Find the determinant.det 

A. -63 B. 63 C. 27 D. 69

Mathematics