irvingarteaga irvingarteaga
  • 04-01-2019
  • Mathematics
contestada

What are the solutions of a quadratic equation (X-8)2-13(x-8)+30=0

Respuesta :

offguard
offguard offguard
  • 04-01-2019

For know, just set x-8=y. You have the equation [tex]y^2-13y+30=0[/tex]

Solving for y, you get (y-10)(y-3)=0. So, y=10 and y=3.

But we need to add 8 each each because we are solving for x, not y.

So, x=18 and x=11 are your answers.


Answer Link

Otras preguntas

Which of these match plz don’t say random ones more then one answer possibly A: y=-5x-5 B: y=-5x+5 C. y=1/5x-5 D. y=-1/5x+5 E. y=-5+5x F. y=x=5
HELPPPPP! What role does the esophagus play in the human body and what is its importance in the human body
The given dot plot represents the average daily temperatures, in degrees Fahrenheit, recorded in a town during the first 15 days of September. If the dot plot i
PLEASE HELP! WILL MARK AND GIVE POINTS.
Find the missing side
Oriole Company developed the following information about its inventories in applying the lower-of-cost-or-net-realizable-value(LCNRV) basis in valuing inventori
A car starts from rest and goes down a slope with a constant acceleration of 5 m/s2 . After 5 s the car reaches the bottom of the hill. Its speed at the botto
please help me pleaseee
What volume of concentrated nitric acid (15.0 M) is required to make 100 mL of a 3.0 M nitric acid solution?
100 points. multiple choice. Home prices and stock prices rise steadily, maintaining high income levels for wealthy Americans during the pandemic. How does this