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CodeSignal

Set Up Equations and Inequalities

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Overview

You’ll translate real-world constraints into math. You’ll represent exact targets with equations, interpret everyday language into inequalities, and model limits and ranges from budgets, rules, and schedules.

Syllabus

  • Unit 1: Represent Exact Targets with Equations
    • Finish The Exact Total Equations
    • Read And Write Equations
    • When Do You Use an Equation?
    • Split the Bill
    • Model a Savings Target
  • Unit 2: Interpret Bound Language
    • Phrases to Symbols
    • Strict or Inclusive Bounds?
    • Complete The Inequality Statements
    • Choose The Inequality Symbol
  • Unit 3: Model One-Sided Constraints
    • Select the Inequality That Fits
    • Filling In a Budget Inequality
    • Write the Inequalities From Scenarios
    • Cap the Monthly Power Bill
    • Clarify "At Least" for a Weekly Wage
  • Unit 4: Describe Ranges with Compound Inequalities
    • Endpoints Inclusive or Not?
    • Set Up Compound Inequalities
    • Find The Compound Inequality
    • Explain Income Eligibility Range
    • Define the Delivery Window

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