Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + x + 5 = 0

A.
B.
C. no real solution
D.


Answer: C

Mathematics

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Find the value of x. Assume all angle measures are given in degrees.

A. 8° B. 12° C. 15° D. 10°

Mathematics

Solve the problem. Round to an appropriate number of significant digits.Two different gasohol mixtures are available. One contains 5% alcohol and the other 12% alcohol. How much of each should be mixed to obtain 1000 gal of gasohol containing 10% alcohol?

A. 50 gal 5%, 120 gal 12% B. 714 gal 5%, 714 gal 12% C. 417 gal 5%, 583 gal 12% D. 286 gal 5%, 714 gal 12%

Mathematics

Find the dimension of the matrix. Tell if the matrix is a square, column, or row matrix, when applicable.

A. 5 × 3 B. -9, 4, 7, -3, -1, -1, -7 C. 15 D. 3 × 5

Mathematics

Use synthetic division to find the quotient and the remainder.x3 - x2 + 4 is divided by x + 2

A. 3x2 - 4x + 2; remainder 0 B. x2 - 3x + 6; remainder -8 C. x2 + x + 2; remainder -8 D. x2 - 3x + 6; remainder 2

Mathematics