Week 6

This past week in Pre-Calculus I learned that when a equation is irrational and comes to the square root at the end it must have a + and – sign with it. This represents that there are 2 possible answers, one with either a positive root sign and the other with a negative root sign. This is an example of what an equation would look like:

If the equations at the end were put into a calculator solved they would give the points at which the parabola will cross the x-axis.

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