Algebra 2 and Trigonometry - Fall 2009 Part 10

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.

Download the questions for 2009 Algebra2 /Trigonometry Fall Sampler Regents Exam.

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.

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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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