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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

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