eemorales2099 eemorales2099
  • 15-09-2018
  • Mathematics
contestada

Point h is between g and i. If gh = 2x2 + 7x, hi = 9x – 2, and gi = 38, find the length of gh, hi and the possible values of x.

Respuesta :

lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 15-09-2018
2x²+7x+9x-2=38
2x²+16x-40=0
2(x²+8x-20)=0
2(x+10)(x-2)=0
x=-10 or x=2
if we let x=-10 we get negative lengths for some of the segments which is not allowed so discard it. for x=2,

gh=22, hi=16, and gi=38
Answer Link

Otras preguntas

19) What is the purpose of the United States Bill of Rights?
Solve the inequality of -4m≥-4
How do scientific models provide a practical solution for some types of research? Check all that apply. Models are beautiful displays created for public enjoyme
a story that ends with you can never run away from your destiny​
What is the conclusion of climate change
HELP PLEASEEEE (PHOTO ATTACHED)
a dart player throws a dart at speed of 12.9m/s. the dart hits the board 0.35m below the height from which it was theown. how far away is the player from the bo
Explain why the German system of government was undemocratic and unfair in reality
CalculTe the distance traveller by the car in this thinking time
rewrite the expressions using radical notation [tex] {6}^{ \frac{1}{3} } [/tex][tex] {7}^{ \frac{1}{2} } [/tex][tex] {10}^{ \frac{3}{2} } [/tex][tex] {8}^{ \fra