gilmarp0210a
gilmarp0210a gilmarp0210a
  • 01-06-2021
  • Mathematics
contestada

Soren solves the quadratic equation x^2 + 8x – 9 = 0 using the quadratic formula. In which step did Soren make an error?

Soren solves the quadratic equation x2 8x 9 0 using the quadratic formula In which step did Soren make an error class=

Respuesta :

asmaNasr
asmaNasr asmaNasr
  • 01-06-2021

Answer:

step 3 didn't divide by 2

Step-by-step explanation:

in step

[tex] \frac{ - 8 + \sqrt{100} }{2} = \frac{ - 8 + 10}{2} = 1 \\ \frac{ - 8 - \sqrt{100} }{2} = \frac{ - 8 - 10}{2} = - 9[/tex]

Answer Link

Otras preguntas

Which of the following statements regarding the expansion of (x + y)^n are correct? A. The coefficients of xn and y^n both equal 1. B. For any term x^a
What is composition? a. the method used to determine the artist's intended meaning for an artwork b. the way digital tools are used to create digital artworks
Calculate the moles of cu in 7.1×1021 atoms of cu
Noura runs 3 miles in 20 minutes.what is her rate of speed per minute?what is her rate of speed per hour
describe network in terms of the class computer lab?
What are 3 examples of light energy. Be descriptive !! Answer for brainiest answer !
I need help and fast
If $60 is put in an account that gets 7% and I add $15 per year, how much will I have at the end of 8 years?
PLEASE HELP - The Enlightenment philosopher who believed in property rights was Question 1 options: A) David Hume B) John Locke C) Adam Smith D) Baron
Who was Mesopotamia?