What are all real roots to the problem 2x^2=100

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

after 1 year: 221 deer

step-by-step explanation:

30% of 170 is 51. 170+51=221

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.