Pre-Calculus: 1001 Practice Problems For Dummies (+ Free Online Practice). Mary Jane Sterling
Читать онлайн книгу.Quadratic Equations
266–270 Solve the equation by completing the square.
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Solving Polynomial Equations for Intercepts
271–276 Find the real roots
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Using Factoring by Grouping to Solve Polynomial Equations
277–280 Find the real roots
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Applying Descartes’s Rule of Signs
281–285 Use Descartes’s rule of signs to determine the possible number of positive and negative real roots of the function.
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Listing Possible Roots of a Polynomial Equation
286–290 Use the rational root theorem to list the possible rational roots of the function.
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Dividing Polynomials
291–295 Perform the division by using long division. Write the remainder as a fraction.
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Using Synthetic Division to Divide Polynomials
296–298 Use synthetic division to find the quotient and remainder.
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Checking for Roots of a Polynomial by Using Synthetic Division
299–300 Use synthetic division to determine which of the given values is a zero of the function.
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Possible zeros: –3, 3, –6, 6, 1
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Possible zeros: –8, –2, –1, 4, 8
Writing Polynomial Expressions from Given Roots
301–305 Find the lowest order polynomial with 1 as the leading coefficient with the listed values as its zeros.
301. –3, 2, 3
302. –4, –3, 0, 1, 2
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