Standard 1: Eca Algebra Test Prep

6 Questions | By Jlaw | Updated: Mar 20, 2022 | Attempts: 78

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Algebra is a topic within the mathematics curriculum that requires a lot of comprehension and mastering of formulae. Standard 1: Eca Algebra Test Prep questions are set and designed to help you revise and become better.

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2. Julia is trying to decide between the following phone plans. • Plan A costs $60 per month and includes 500 minutes. There is an additional charge of $0.05 for each minute used over 500. • Plan B costs $25 per month and includes 200 minutes. There is an additional charge of $0.10 for each minute used over 200. If Julia uses 450 minutes per month, how much less will it cost her each month if she uses Plan B instead of Plan A? (do not enter a $)

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6. Claire tried to solve the equation below. She made an error. Her work is shown below. 2(x + 4) – 1 = 13 1. 2x + 4 – 1 = 13 2. 2x + 3 = 13 3. 2x = 10 4. x = 5 In what row was her mistake made?