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Pre-Calculus: 1001 Practice Problems For Dummies (+ Free Online Practice). Mary Jane SterlingЧитать онлайн книгу.

Pre-Calculus: 1001 Practice Problems For Dummies (+ Free Online Practice) - Mary Jane Sterling


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correctly when solving quadratic equations and inequalities

       Choosing the smallest exponent when the choices include fractions and negative numbers

       Assigning the correct signs in intervals on the sign line

       Recognizing the solution when a factor of the expression is x

       Determining which solutions are viable and which are extraneous

       Squaring binomials correctly when working with radical equations

       Finding the correct format for a binomial’s conjugate

       61–70 Write the expression using the indicated notation.

      61. Write the expression

in interval notation.

      62. Write the expression

in interval notation.

      63. Write the interval notation

as an inequality expression.

      64. Write the interval notation

as an inequality expression.

      65. Describe the graph using inequality notation.

      Illustration by Thomson Digital

      66. Describe the graph using inequality notation.

      Illustration by Thomson Digital

      67. Describe the graph using inequality notation.

      Illustration by Thomson Digital

      68. Describe the graph using interval notation.

      Illustration by Thomson Digital

      69. Describe the graph using interval notation.

      Illustration by Thomson Digital

      70. Describe the graph using interval notation.

       71–74 Solve the inequality for x.

      71.

      72.

      73.

      74.

       75–80 Solve the nonlinear inequality for x.

      75.

      76.

      77.

      78.

      79.

      80.

       81–85 Solve the absolute value inequality for x.

      81.

      82.

      84.

      85.

       86–89 Change the expression using rules for fractional exponents.

      86. Rewrite the radical expression

with a fractional exponent.

      87. Rewrite the radical expression

with a fractional exponent.

      88. Rewrite the fractional exponent

as a radical expression.

      89. Rewrite the fractional exponent

as a radical expression.

       90–94 Simplify the expression.

      90.

      91.

      92.

      93.

      94.

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