# Algebra

Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation
x^3+x^2+16x+16>0
What is the solution set?

qaz

1. 0
2. 0
3. 19
1. it helps if you can find the roots of the function. In this case, you have

y=(x+1)(x^2+16)

So, you know the graph crosses the x-axis only at x = -1.

Since the 2nd factor is always positive, y>0 where (x+1) > 0.

Think you can take it from there?

1. 0
2. 0
posted by Steve

## Similar Questions

1. ### Solve the polynomial inequality

Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation. x^3+x^2+4x+4

asked by Jill on April 9, 2013
2. ### math

solve the polynomial inequality and graph the solution set on a real number line. express the solution set in interval notation x^3+x^2+64x+64>0 show work please

asked by Paul on January 10, 2013
3. ### college algebra

1. find the equation of the line with the given properties. Express the equation in general form or slope-intercept form. perpendicular to the line -3x_y= -27; contains the point (9, -1) the equation of the line is ? 2. solve the

4. ### algebra

Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation x^3+x^2+16x+16>0 What is the solution set? (Type your answer in interval notation.) Mike

asked by MIKE on February 5, 2016
5. ### math/algebra

Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation x^3+x^2+16x+16>0 What is the solution set? (Type your answer in interval notation.) shannon

asked by shannon on February 5, 2016

solve the polynomial inequality and graph the solution set on a real num ber line. express the solution set in interval notation x^3+x^2+64x+64>0 please show work

asked by anonymous on January 10, 2013
7. ### Math inequalitites

Hi, I need some help with some inequalitites. Thanks!! Use graphs to find the set. 1.(-9,0) intersection [-4,] I got [-4,0) 2. (-9,0) U [-4,10] I got (-9,10] Solve the linear inequality. Other than (empty set, use interval

asked by Christie on August 19, 2007
8. ### math

solve the polynomial inequality and graph the solution set on a real number line. set in interval notation. x^3+2x^2-4x-8>0 I have been staring at this problem for the last 15 minutes because I just don't understand it, somebody