Answer:
x^2 -2x + 1
Step-by-step explanation:
Think of a quadratic equation as
ax^2 + bx + c
x^2 -2x +
Comparing the two equations
a = 1 , b = -2, c = ?
c becomes the missing part
Divide b by 2
-2/2 = -1
square the result
-1^2
= 1 this is what to add to get a perfect square
x^2 -2x + 1
(x - 1)^2
Answer:
19.2
Step-by-step explanation:
Add 12 squared to 15 squared(144+225)
Square root the answer(
)
Round to the nearest tenth(19.209)
1,2,4,8...
Those are all the whole numbers, although you could add infinite decimal factors
Answer: She read 242 pages last week.
Step-by-step explanation:
Total pages = 360
Let the number of pages she read last week = x
( Pages read last week) + (Pages read today) =
(Total pages)
i.e. 

Hence, she read 242 pages last week.