O x = 25 and x = -25 A
O x = 125 and x = -125
O no real solution
Mark this and return
Save and Exit
Noy
Answer:
x = 5 and x = - 5
Step-by-step explanation:
Given
x² - 25 = 0 ← x² - 25 is a difference of squares and factors as
(x - 5)(x + 5) = 0
Equate each factor to zero and solve for x
x - 5 = 0 ⇒ x = 5
x + 5 = 0 ⇒ x = - 5
Answer:
census is a total of the population of a county and/or state.
samples are random selections of people or things
Step-by-step explanation:
If Sky wanted to get a survey from 100 kids who liked baseball or softball in her school. She would not pick the first 100 because it is not random. She would choose choose kids at random till she got her quota.