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

What is the total mass of products formed when 16 grams of ch4?
A Fermi estimate is an estimate of a very large number found by using geometry to estimate measurements of a real-world objects True or False
When becoming a citizen of the united states, you must a. pass an english and government test. b. have lived in the united states for at least six months. c.
Mario cut a circular pizza into 9 equal slices. he put a slice of pizza on each of 5 plates. what is the measure for the angle of the slices that are left
How do you calculate the total voltage in a series circuit with more than one component?
PLEASE HELP! Given an exponential function for compounding interest, A(x) = P(.91)^x, what is the rate of change? A. −0.09% B. −9% C. 0.91% D. 91%
In an inducible operon, the inducer is often the __________ in the pathway being regulated; the inducer binds to the __________, thus rendering it __________.
what is the area of the circle if DF=20 in.
Gould and Eldredge proposed this new theory called
Why did dr. martin luther king, jr., speak out against the war in vietnam?