Solve by completing the square. If the equation has no real solutions, write "no real-number solutions."x2 - 7 = -8x

A. 4 + 
B. -4 ± 1
C. no real-number solutions
D. -4 ± 


Answer: D

Mathematics

You might also like to view...

Name the quadrant in which the point is located, or the axis on which it lies .(20, -4)

A. Quadrant III B. Quadrant I C. Quadrant II D. Quadrant IV

Mathematics

The hypotenuse of a right triangle is 13.0, and one leg is 2.0 units shorter than the other. Find the dimensions of the figure (rounded to the nearest tenth). ?

A. 10.1, 8.1, 13.0 B. 10.1, 6.9, 13.0 C. 12.8, 10.8, 13.0 D. 11.0, 8.1, 13.0 E. 11.0, 6.9, 13.0

Mathematics

Graph the ellipse. +  = 1

A.

B.

C.

D.

Mathematics

Identify the terms in the polynomial.-4x5 + 6x3 - 5x2 + 10x

A. -4x5, -6x3, -5x2, 10x B. -4, x5, 6, x3, 5, x2, 10, x C. -4x5, 6x3, -5x2, 10x D. 4x5, 6x3, 5x2, 10x

Mathematics