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# High School: Functions

## Trig Ratios

Directions: Using the following trig ratios, complete the following table: cos 30º, sin 30º, cos 45º, sin 45º, tan 30º, cot 30º, sec 30º, csc 30º Source: Bryan Anderson

## Logs 2

Directions: Using the integers 1 to 9 in the boxes, create a log that satisfies the follow constraints (you can use a number only once): Source: Bryan Anderson

## Laws of Logarithms

Directions: Using the integers 0 to 9, fill in the red and blue boxes so that the chart is accurate. You can only use a number once per red box and once per blue box. (Logs are in base 10) Source: Bryan Anderson

## Logs

Directions: Using the integers 1 to 9, fill in the red and blue boxes so that the chart is accurate. You can only use a number once per red box and once per blue box. Source: Bryan Anderson

## Properties of Logarithms

Directions: Use the integers 1 through 9, at most one time each, to find the value of x that is closest to 0. Extension: Find more than one set of numbers that would make x = 0. Source: Claire Verti

## Minimum Value of a Quadratic in Factored Form

Directions:  Create a quadratic in factored form with the lowest minimum using the whole numbers 1 through 9, no more than one time each.   Source:  Ryan Kimes

## Intercept Form Equations

Directions:  Using digits 1-9, write an equation of a line in standard form with given x- and y-intercepts. Each number can only be used at most once. Source:  Andy Schwen

## Finding Intercepts

Directions:  Using the digits 1 through 9, at most one time each, fill in the boxes to create a linear equation that has an x- and y-intercept with integer values. Source:  Jeffrey Mashbitz