jilliand9340 jilliand9340

23-05-2017
Mathematics

contestada

Solve the quadratic equation x2 + 16x = -64 by factoring.

Respuesta :

apologiabiology apologiabiology

23-05-2017

add 64 to both sides
x^2+16x+64=0
what 2 numbers multily to get 64 and add to get 16?
8 and 8
(x+8)(x+8)=0

set to zero
x+8=0
x=-8

Answer Link

Otras preguntas

vector A has length 2 units and is directed to the north. vector B has length 5 units and is directed to the south. calculate the magnitude and direction of A-B

To begin your plan, you will need to know about your competition and decide how you will attempt to compete. Your competitor is called Create Your Own Yogurt, a

Describe the cities of Mohenjo-daro and Harappa, including a description of the buildings and what they were used for.

what is the weight of a 75kg. Mass?

Read the excerpt below and answer the question. Jem shuddered. “Like somebody was readin’ my mind. Like somebody could tell what I was gonna do. Can’t anybody t

A(n) ______________ is essentially a conversation between group members in front of an audience

9. In which sentence is the meaning of the word pcrsimony A. The Devil carried Tom off forever on his black horse. Tom and his wife were equally greedy for rich

Nuclear fission involves what? A.combining atoms B.splitting atoms C.alternating atoms D.consuming large amounts of energy

7k+4l=20 and -8k+2l=10What is the value of k?

Your friend has $80 when he goes to the fair. He spends $4 to enter the fair and $12 on food. Rides at the fair cost $1.25 per ride. Which function can be used