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

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

Tom doesn't really want to give away blue marbles and would like to change the probability that he chooses a blue marble to 1/10.How many marbles that are not b

factor completely if the polynomial is not factorable write prime also state the methods used to factor the polynomial. 1. x^2-12x+36 2. r^3-81r 3. 35x^3y

What is 3.100 in written form

83/6 as a mixed number

A meal of a chicken sandwich and some pasta salad had 150 grams of carbohydrates. The pasta salad had 30 grams more than twice the grams of carbohydrates in the

A scientist wants to raise the temperature of a 0.10-kilogram sample of glass from –45°C to 15°C. How much heat energy is required to produce this change in te

In the Sumerian civilization, the purpose of a ziggurat was to

whats the answer to -12(4/3-1)

What was the casta system, and why was it created?

solve this proportion: 1/c+5=2/3