Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,459 questions

17,854 answers

1,446 comments

811,139 users

help me!

0 votes
solve.

2x²-7x>-3 algebraically.
asked Jan 19, 2015 in PRECALCULUS by anonymous

1 Answer

0 votes

Step 1:

The inequality is .

Add 3 to each side.

image

Rewrite the inequality.

This product can be greater than zero (positive) if both factors are positive or both factors are negative.

Step 2:

Case 1: Both factors are positive.

image

The only condition that makes both true atimage.

Case 2: Both factors are negative.

The only condition that makes both true at image.

The solution is image.

Solution :

The solution is image.

answered Jan 19, 2015 by james Pupil

Related questions

asked Dec 9, 2014 in PRECALCULUS by anonymous
asked Dec 9, 2014 in PRECALCULUS by anonymous
asked Nov 15, 2014 in PRECALCULUS by anonymous
asked Oct 22, 2014 in CALCULUS by anonymous
asked Oct 22, 2014 in CALCULUS by anonymous
asked Jan 19, 2015 in PRECALCULUS by anonymous
asked Jan 19, 2015 in PRECALCULUS by anonymous
asked Jan 19, 2015 in PRECALCULUS by anonymous
asked Jan 19, 2015 in PRECALCULUS by anonymous
asked Jan 19, 2015 in PRECALCULUS by anonymous
asked Jan 19, 2015 in PRECALCULUS by anonymous
asked Jan 19, 2015 in PRECALCULUS by anonymous
asked Dec 19, 2014 in PRECALCULUS by anonymous
asked Dec 19, 2014 in PRECALCULUS by anonymous
asked Dec 19, 2014 in PRECALCULUS by anonymous
asked Dec 19, 2014 in PRECALCULUS by anonymous
asked Dec 19, 2014 in PRECALCULUS by anonymous
asked Dec 9, 2014 in PRECALCULUS by anonymous
asked Dec 9, 2014 in PRECALCULUS by anonymous
asked Nov 15, 2014 in PRECALCULUS by anonymous
...