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Review of Key Mathematical Concepts: Inequalities, Rates, and Linear Equations

This review covers previously overlooked mathematical concepts, focusing on inequalities, rates, and linear equations. We explore the equation representing a linear function with a specific slope and point, calculate rates based on a monthly fee and minute usage, and identify inequalities based on graphical solutions. Practice problems provide hands-on experience with these concepts, enhancing comprehension and problem-solving skills crucial for students and learners.

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Review of Key Mathematical Concepts: Inequalities, Rates, and Linear Equations

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  1. ECA Review #24 Review of Previously Missed Items Whether you think you can or can’t, You’re right – Henry Ford

  2. Solve the equation for the variable: • -10 • 0

  3. For which inequality are the solutions graphed on the number line below? -5 -4 -3 -2 -1 0 1 2 3 [Default] [MC Any] [MC All]

  4. A phone company charges $39.99 a month for 500 minutes. What is this companies rate in dollars-per-minute? • 0.08 • 0.01 (round to 2 decimal places)

  5. Write the equation of a line that goes through the point (0,-3) and has a slope of -0.5 • y=-0.5x-3 • 0

  6. What value of t would make the equation below have a slope value of 3? • 6 • -6 • 3 • -3 [Default] [MC Any] [MC All]

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