## Hi! For page 120 question 8 in the pwn book, is there any other way to find the answer without using a Calculator?

Hi! For page 120 question 8 in the pwn book, is there any other way to find the answer without using a Calculator? I tried using a calculator but it took me a long time to find the answer. In addition, is there any other way to find that there is only one solution other than graphing or plugging the x values back into the equation?

## Hi! How do you do question 2 on page 100 from the functions section?

Hi! How do you do question 2 on page 100 from the functions section? I reviewed the solution in the back of the book but still don’t understand.

## Hi! On q8 page 149 (polynomials), what is happening in D? Why is it true?

Hi! On q8 page 149 (polynomials), what is happening in D? Why is it true?

## Hi Mike! In SAT official test 1, Q 29 (in the math calculator section), how do you solve this problem?

Hi Mike! In SAT official test 1, Q 29 (in the math calculator section), how do you solve this problem? I don’t quite understand the explanation/concepts mentioned in the book.

29)For a polynomial p(x), the value of p(3) is -2. Which of the following must be true about p(x)?

A) x-5 is a factor of p(x).
B) x-2 is a factor of p(x).
C) x+2 is a factor of p(x).
D) The remainder when p(x) is divided by x-3 is -2.

(Also what does PWN stand for?)