sj481
sj481
30-11-2014
Mathematics
Answered
Can anyone please teach me how to work out x2-8x+19?
Answer :
konrad509
konrad509
30-11-2014
[tex]x^2-8x+19=\\ x^2-8x+16+3=\\ (x-4)^2+3\\\\ (x-4)^2+3=0\\ (x-4)^2=-3\\ x\in \emptyset[/tex]
Answer Link
VIEW ALL ANSWERS ( 93+ )
Other Questions
is it true or false that after the american revolution conflicts in the northwest territory erupted between remaining british soldiers and native americans
Geoffrey ate 2/3 of a mini pizza. Claire ate 1 3/4 times as much pizza as Geoffrey. How many mini pizzas did Claire eat? Express your answer in simplest form
what do you call two ratios that have the same value
what do you call two ratios that have the same value
It takes Akira 10 minutes to make a black and white drawing and 25 minutes for a color drawing. On Saturday he made a total of 9 drawings in 2 hours. Write an
is it true or false that after the american revolution conflicts in the northwest territory erupted between remaining british soldiers and native americans
what do you call two ratios that have the same value
It takes Akira 10 minutes to make a black and white drawing and 25 minutes for a color drawing. On Saturday he made a total of 9 drawings in 2 hours. Write an
Taylor wants to make 2 1/2 times the quantity given in a recipe. The recipe calls for 1 3/4 cups of flour. How much flour will Taylor need?
There are 50 questions to answer in a trivia contest. Each player starts with 100 points. He or she earns 10 points for each correct answer but loses 4 points w
