We started by looking at evaluating trig functions of angles. They involved 30 60 90 triangles and 45 45 90. So we began by looking at those triangles. It's easy enough to derive the ratios for the …

## Algebra, Variables with Exponents Positive, Negative, and to the Zero

An explanation of why numbers to the zero power equal 1. Dealing with exponents in various situations. …

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## Finding X and Y Coordinates on a Graph

## Slope Intercept Form and Finding the slope

## Tutoring Algebra, slope and intercepts

We looked at slope intercept form and how m is the slope and b is the y- intercept. To get the y-intercept, you set x = 0 to get the x-intercept, you set y = 0 To get the slope, you use two …

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## Knowing a little can help a lot (to look things up) in math

Tutoring precalculus, We started by looking at problems with sets of equations. The first were sets of linear equations. Others had quadratics. For one problem, if you recognized part of the …

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