Official directions — Math

The questions in this section address a number of important math skills.

Use of a calculator is permitted for all questions. A reference sheet, calculator, and these directions can be accessed throughout the section.

Unless otherwise indicated:

• All variables and expressions represent real numbers.
• Figures provided are drawn to scale.
• All figures lie in a plane.
• The domain of a given function f is the set of all real numbers x for which f(x) is a real number.

For multiple-choice questions, solve each problem and choose the correct answer from the choices given. Each question has a single best answer.

For student-produced response questions, solve each problem and enter your answer as described below.

• If you find more than one correct answer, enter only one answer.
• You can enter up to 5 characters for a positive answer and up to 6 characters (including the negative sign) for a negative answer.
• If your answer is a fraction that doesn't fit in the provided space, enter the decimal equivalent.
• If your answer is a mixed number (such as 3½), enter it as an improper fraction (7/2) or its decimal equivalent (3.5). (You cannot enter 3 1/2.)
• Don't enter symbols such as a percent sign, comma, or dollar sign.