Without solving, determine the character of the solutions of the equation in the complex number system.x2 + 2x + 7 = 0

A. a repeated real solution
B. two unequal real solutions
C. two complex solutions that are conjugates of each other


Answer: C

Mathematics

You might also like to view...

Choose the equation that matches the graph.

A. y2 = -8x B. x2 = -8y C. y2 = 8x D. -8y2 = x

Mathematics

Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.- 

A. Monomial; variables x, y; coefficient 2; degree 2 B. Monomial; variables x, y; coefficient 2; degree 8 C. Monomial; variables x, y; coefficient 2; degree 6 D. Not a monomial

Mathematics

Simplify.m7 ? m-3

A. m10
B.
C. m4
D.

Mathematics

Simplify the fraction to lowest terms.

A.
B.
C.
D.

Mathematics