# Algebra 2 and Trigonometry - Fall 2009 Part 10

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More Lessons for High School Regents Exam
Math Worksheets

High School Math based on the topics required for the Regents Exam conducted by NYSED to help students learn how to solve algebra 2 and trigonometry exam questions.

### Fall 2009 Algebra 2 and Trigonometry Regents Sampler Exam

Q #37 - 2009 Algebra2 /Trigonometry Fall Sampler
Solve a cubic equation
Solve the equation 8x3 + 4x2 - 18x - 9 = 0 algebraically for all values of x.

Q #38 - 2009 Algebra2 /Trigonometry Fall Sampler
Power regression equation
The table below shows the results of an experiment involving the growth of bacteria.
Write a power regression equation for this set of data, rounding all values to three decimal places.
Using this equation, predict the bacteria’s growth, to the nearest integer, after 15 minutes.

Q #39 - 2009 Algebra2 /Trigonometry Fall Sampler
Resultant force
Two forces of 25 newtons and 85 newtons acting on a body form an angle of 55°.
Find the magnitude of the resultant force, to the nearest hundredth of a newton.
Find the measure, to the nearest degree, of the angle formed between the resultant and the larger force.

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