Pre-Calculus, 9th edition
61

 PAGE: 232 SET: Exercises PROBLEM: 61
Please look in your text book for this problem Statement

The equation is .

Consider .

Rational zeros method:

Rational Root Theorem, if a rational number in simplest form is a root of the polynomial equation , then  is a factor of and  is a factor if .

If  is a rational zero, then  is a factor of and  is a factor of .

The possible values of are  .

The possible values for are .

So, .

, is not a zero of .

Consider .

Using synthetic division:

Since , is a zero of .

is a factor of .

The depressed polynomial is .

.

Consider .

.

The real solutions of are .

.

TESTIMONIALS
 "I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!" June Barnett "Your site is amazing! It helped me get through Algebra." Charles "My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful." Dan Pease
 Tweets by @mathskeydotcom

QUESTIONS? LET US HELP.
 Simply chose a support option JOIN US ON:
mathskey.com is not affiliated with any Publisher, Book cover, Title, Author names appear for reference only