Solve the quadratic equation by the method of your choice.x2 + 2x = 7

A. {-1 - 4, -1 + 4}
B. {-1 - , -1 + }
C. {1 + }
D. {-2 - , -2 + }


Answer: B

Mathematics

You might also like to view...

Determine the symmetries of the curve.r2 = -2 sin 2?

A. Origin only B. y-axis, origin C. No symmetry D. x-axis, y-axis, origin

Mathematics

Sketch several solution curves. = y2 - 1

What will be an ideal response?

Mathematics

Solve by any method. If there is not one solution to a system, state why.  x - 4y = -28-4x - 5y = -56

A. (4, 8) B. (-4, 9) C. (3, 9) D. (3, 8)

Mathematics

Use a vertical format to subtract the polynomials.4x7 + 2x6 + 8x5 - 6 

A. 6x7 - 6x6 + 10x5 - 14 B. 2x7 + 10x6 + 6x5 - 14 C. 6x7 - 6x6 + 10x5 + 2 D. 2x7 - 6x6 + 10x5 + 2

Mathematics