sam1235gebons sam1235gebons
  • 19-07-2021
  • Mathematics
contestada

I’m new to this app and I need help with those two questions please help!!

Im new to this app and I need help with those two questions please help class=

Respuesta :

Glanik
Glanik Glanik
  • 19-07-2021

y=x²-10x-7

a>0 so we will be looking for minimum

x=-b/2a=10/2=5

y=25-50-7=-32

Answer: (5;32)

y=-4x²-8x+1

а<0 so we will be looking for maximum

х=-b/2a=8/-8=-1

у=4+8+1=13

Maximum point (-1;13)

Answer Link

Otras preguntas

which of the following colors is highly variable and can be either cool or slightly warm depending on how it's used? a)gold b) orange c)violet d)blue​
Guys, please help me please
Please help me on this
Need #47 and #48 asap!! 20 pts!!
Jamal works as an electrician’s apprentice. He rewired 4 electrical outlets in 1 1/2 hours. If he works at the same pace for 7.5 hours, how many outlets will he
What number needs to be added to both sides of the equation to complete the square? x^2−7x=5
Help me for 10 points!!
Explain the role of social media in the violation of human rights and give examples?
Kristin spent $131 on shirts. Fancy shirts cost $28 and plain shirts cost $15. If she bought a total of 7 shirts then how many of each kind did she buy?
which was the most important long-term effect of Rome's frequent civil wars