X^2 - 14x + 42 = 0
x^2 - 14x = -42
x^2 - 14x + 49 = 49 - 42
(x - 7)^2 = 7
x - 7 = (+-) sqrt 7
x = 7 (+-) sqrt 7
solutions are : x = 7 + sqrt 7 and x = 7 - sqrt 7
Answer:
1 and 15
Step-by-step explanation:
8-7=1
8+7=15
I cant see numbers 2 & 3 im sorry
1. 5 7/30
4. 5 3/4
A. a weak positive correlation
