henrybat5000 henrybat5000
  • 22-10-2018
  • Mathematics
contestada

What number must you add to complete the square? x^2+14x=-5

A. 14

B. 28

C. 7

D. 49

Respuesta :

jimrgrant1 jimrgrant1
  • 22-10-2018

D

since the coefficient of the x² term is 1, then

add (half the coefficient of the x-term )² to both sides

that is ([tex]\frac{14}{2}[/tex])² = 49


Answer Link

Otras preguntas

Mrs. Colen took a trip. She drove 350 miles in 7 hours and 30 minuets. what is her average speed to the nearest tenth of a mile per hour
what is red snapper? could you help me?
what are the main voice types in singing?
what is the abyssal plain?
what is red snapper? could you help me?
A 1.0 kg book is lifted 0.5 m above the table , but the table is 1.0 m above the floor , what would be the P.E of the book if the reference level where the flo
why is gold preferred as a superior metal over silver and bronze?
2x2 + 6x + 5 = 0 what are the real roots for the quadratic equation
1)simplify the expression (2x)^42)the perimeter of a rectangular is twice the sum of its length and its width. the perimeter is 16 meters and its length is 2 me
Multiply and simplify.(a - 2b) (2a - b) (a + 2b)