jaxkso jaxkso
  • 02-02-2017
  • Mathematics
contestada

Solving quadratics equations by taking square root

Solving quadratics equations by taking square root class=

Respuesta :

mohsan573
mohsan573 mohsan573
  • 02-02-2017
x^2=1 when you apply square root then the value of X is

X=-1,1


2---
a^2+1=19

subtract 1 on both side

a^2=19-1

a^2=18

taking square on both side

a=Square root(18)

the answer is shown in diagram
Ver imagen mohsan573
Answer Link

Otras preguntas

jack travles 2.45 miles to school.Wanda travels 2.31 miles to school.Compare the distance using words.
what is the value of the digit 1 in the number 0.413
Why did Columbus believe he had reached Asia when he had actually traveled less than halfway there? A. He met people who spoke Arabic. B. Columbus believed t
One ton is 2000 pounds so how many 50 pound bags does it take to make 3 tons
lucas compares the portrayal of the colonists in the declaration of independence to?A. enemies in a thriller B. antagonists in a novelC. victims in a dramaD. un
9 more than the product of 51 and a number t
what is the square of 1.1
if you earn one penny every 10 seconds of your life ,how many dollars would you have after 65 years?
How many different ways can you make 18 cents using dimes, nickels, or pennies? A. 8 B. 6 C. 5 D. 4
Why were the Appalachian mountains important to the colonies?