Solve The Absolute Value Equations Worksheet

Algebra 2
Equations

Total questions - 6

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How Will This Worksheet on "Solve the Absolute Value Equations" Benefit Your Student's Learning?

  • Clarify the concept of absolute value.
  • Enhance problem-solving abilities.
  • Promote logical thinking with positive and negative solutions.
  • Provide practice in solving absolute value equations.
  • Develop critical thinking skills.
  • Build a foundation for advanced algebra topics.
  • Increase confidence in solving equations.
  • Engage students with diverse math problems.

How to Solve the Absolute Value Equations?

`1`. Understand that the absolute value of a number is its distance from zero on the number line, always positive. For example, `∣x∣=a` means `x` can be `a` or `−a`.

`2`. For an equation `∣x∣=a`:

  • If `a` is positive, set up two equations: `x=a` and `x=−a`.
  • If `a` is zero, then `∣x∣=0` means `x=0`.
  • If `a` is negative, there is no solution because absolute values cannot be negative.

`3`. Solve the equations you set up in step `2`.

Solved Example

Q. Solve for zz.\newline4=z9-4 = |z| - 9\newlineWrite your answers as integers or as proper or improper fractions in simplest form.\newlinez=z = _____ or z=z = _____
Solution:
  1. Understand and Isolate: Understand the equation and isolate the absolute value.\newlineWe have the equation 4=z9–4 = |z| − 9.\newline To isolate the absolute value, we need to add 99 to both sides of the equation.\newline4+9=z9+9-4 + 9 = |z| − 9 + 9\newline5=z5 = |z|
  2. Solve for zz: \newlineSince z=5|z| = 5, zz can be either 55 or 5-5 because the absolute value of both 55 and 5-5 is 55.\newlineSo, z=5z = 5 or z=5z=-5.
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About Worksheet

Algebra 2
Equations

Solving the absolute value equations means finding the values of a variable that make an equation with absolute values true. Absolute value equations look like \( |x| = a \) or \( |x - b| = c \), where you consider both positive and negative solutions. For example, \( |x| = 3 \) means \( x \) can be `3` or `-3`. Solving these equations helps you understand both parts of the solution.

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