spencergosnell spencergosnell

02-05-2019
Mathematics

contestada

Solve the quadratic equation for x. What is one of the roots?

(x + 6)2 = 49

A) −13
B) −6
C) −7
D) −1

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

02-05-2019

Answer:

A) −13

Step-by-step explanation:

(x + 6)^2 = 49

Take the square root of each side

sqrt((x + 6)^2) = ±sqrt(49)

x+6 = ±7

Subtract 6 from each side

x+6-6 = -6 ±7

x =-6 ±7

Separating into 2 parts

x = -6+7 x = -6-7

x = 1 x = -13

Answer Link

Otras preguntas

What was the soldier who ran away looking for in the glory movie ?

3x3 + 18x2 + 232 – 4 is + divided by x + 4

You are looking at a cell in a microscope. You see 4 replicated chromosomes, all different lengths, lined up end-to-end in the middle of the cell. Given only th

Please help! On the verge of tears :') (see pic)

Does crumpled paper and a flat sheet of paper have the same weight

Explain the process of cellular respiration?

No Links The system of equations is graphed on the coordinate plane. y = -x -2 y = 3x +2 Enter the coordinates of the solution to the system of equations of the

Are the following triangles similar? Justify your reasoning using mathematics.

When organizations recognize that there is a need to improve the state of people, the planet, and profits simultaneously if they are to achieve sustainable, lon

What is the difference between a central idea and a theme? What type of text would have a central idea? What type of text would have a theme?