LukeNuno
LukeNuno
03-12-2014
Mathematics
contestada
Solve for x:
x2 + 8x = -1
Respuesta :
konrad509
konrad509
03-12-2014
[tex]x^2+8x=-1\\ x^2+8x+16-16=-1\\ (x+4)^2=15\\ x+4=\sqrt{15} \vee x+4=-\sqrt{15}\\ x=-4+\sqrt{15} \vee x=-4-\sqrt{15}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 65+ )
Otras preguntas
WHAT ARE THE EXCLUDED VALUES?
if the price of an object dropped 75% down to $85.99 what was the original price?
You have 56 marbles to share with your friends. If each friend gets exactly 4 marbles, which equation could use to solve for the number of friends, n?
A professional basketball player can score 3 more than 4 times as many points per game as an average person. Which expression correctly describes how much the p
divide m2n3/p3 by mp/n2
This is the final step in the healthy decision making process. A. list all your options B. identify the situation C. evaluate the decision D. think about
The height in cm was determined for three students enrolled in AP Biology. The data is as follows: 161 cm, 170cm, 160cm Calculate the standard error. * a. 9.75
What does the author use in this passage to support the idea that the dam has ruined Glen Canyon? For those who may think I exaggerate the contrast between the
h of the following statements is a fact? Whales are among the largest animals in the world. All whales will be extinct in five years. Whales are fascinati
The ordered pair of the x -intercept has a zero for the x -value. TrueFalse
