math

Cards (101)

  • What is the purpose of the digital practice books?
    They are intended for personal use by the purchaser only.
  • What does a non-transferable license mean for the digital practice books?
    It means sharing, distributing, or transferring the digital files to others is strictly prohibited.
  • What protects the content within the digital practice books?
    Copyright laws.
  • What must users do if they purchase the digital books for educational purposes?
    Ensure compliance with educational fair use policies and obtain additional licenses if necessary.
  • What is the responsibility of users regarding their digital copies?
    Users are responsible for maintaining the security of their digital copies and preventing unauthorized access or sharing.
  • Who should feedback or reports be directed to?
    Franz.
  • What does the refund policy state about the digital books?
    The digital books are provided "as is" without warranties of any kind.
  • What must users comply with when using digital content?
    All applicable laws and regulations governing the use of digital content, including copyright and intellectual property laws.
  • What is the definition of absolute value?
    Distance from zero on a number line, represented by ||x||.
  • How do you solve absolute value equations?
    Rewrite the equation as two separate linear inequalities and solve each inequality.
  • What is the solution to the absolute value equation |x + 2| = 5?
    x = 3 or x = -7.
  • What is the standard form of a quadratic equation?
    ax² + bx + c = 0, where a ≠ 0.
  • What is the purpose of factoring in quadratic equations?

    To find two values that satisfy ab = ac and a + b = b.
  • What is the quadratic formula?
    x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}.
  • What does completing the square involve?
    Rewriting the equation into a perfect square trinomial by adding a specific value.
  • What are the techniques for solving quadratic equations?
    1. Factoring: If the equation factors easily into (x + m)(x + n) = 0.
    2. Quadratic Formula: Use for any quadratic equation.
    3. Completing the Square: Rewrite the equation to complete the square and solve for x.
  • What are higher-order polynomial equations?
    Equations involving polynomials of a degree higher than two, such as cubic equations.
  • What techniques are used to solve higher-order polynomial equations?
    Factoring, synthetic division, or graphical methods to approximate solutions.
  • What are rational expressions?
    Expressions containing variables in the numerator and/or denominator divided by each other.
  • How do you simplify rational expressions?
    By canceling common factors in the numerator and denominator.
  • What is the process for multiplying rational expressions?
    Multiply numerators and denominators separately.
  • How do you divide rational expressions?
    Invert the divisor and multiply.
  • What are logarithmic equations?
    Equations containing logarithms, such as log_a(x) = y.
  • How do you solve logarithmic equations?
    By converting them to a common base or using logarithmic properties.
  • What are exponential equations?

    Equations containing exponential terms, such as a^x = y.
  • How do you solve exponential equations?
    By converting them to a common base or using logarithmic properties.
  • What is a function?
    A rule that assigns exactly one output to each valid input.
  • What characterizes linear functions?
    They have a constant rate of change and are expressed as f(x) = mx + b.
  • What is the domain of linear functions?
    All real numbers.
  • What is the range of linear functions?
    All real numbers.
  • How does the slope affect the behavior of linear functions?
    It determines whether the function increases or decreases at a constant rate.
  • What characterizes quadratic functions?
    They have a U-shaped or inverted U-shaped curve and are expressed as f(x) = ax^2 + bx + c.
  • What is the domain of quadratic functions?
    All real numbers.
  • What determines the range of quadratic functions?
    It depends on the function; some quadratics can have all real numbers as output, while others cannot.
  • What is the vertex of a quadratic function?
    It is the minimum or maximum point of the function, depending on the sign of a.
  • What characterizes exponential functions?
    They are characterized by rapid increase or decrease and are expressed as f(x) = a^x.
  • What is the domain of exponential functions?
    All real numbers.
  • What is the range of exponential functions?
    All positive real numbers except 0.
  • How do exponential functions behave based on the value of a?
    They always increase if a > 1 and always decrease if 0 < a < 1.
  • What are logarithmic functions?
    They are the inverses of exponential functions and are expressed as f(x) = log_a(x).