Test answers - 25/7/26

ALGEBRA – ANSWER KEY 1. 3𝑥 + 13𝑦 2. 3𝑎 + 8𝑏 + 𝑐 3. 14𝑎 𝑏 4. 2𝑝 𝑞 5. 60𝑥 𝑦 6. 3𝑎 𝑏 7. 81 8. 12 9. 2𝑥 + 6𝑥𝑦 10. 19𝑎 − 14𝑏 + 9𝑐 11. 10𝑎 + 35𝑏 12. 8𝑥 + 6𝑦 13. 64 14. £30𝑥𝑧 15. 31

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ALGEBRA – SOLUTIONS 1. Find the value of : 6𝑥 + 9 9𝑦 − 3𝑥 + 4𝑦

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2. Find the value of : 4𝑎 + 2𝑏 − 𝑎 + 6𝑏 + 𝑐

Answer…………………………………….. 𝑎𝑏 × 2𝑎 3. What is the value of : 7𝑎𝑏 Answer…………………………………….. 𝑝 𝑞 ÷ 5𝑝 𝑞 4. What is the value of : 10𝑝

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5. Find the value of : 10𝑥 × 2𝑦 × 3𝑥𝑦

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6. Fill in the blanks : 6𝑎 𝑏 × … … … . = 18𝑎 𝑏

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7. Find the value of : 5𝑎 𝑏 + 7𝑏 if a = 2, b = 3

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8. Find the value of : 12𝑥𝑦 ÷ 6𝑦𝑧 if 𝑥 = 4, 𝑦 = 3, 𝑧 = 2 ?

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9. Expand : 2𝑥(𝑥 + 3𝑦 )

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10. Simply : 3(4𝑎 + 7𝑏 + 3𝑐) + 7(𝑎 − 5𝑏 )

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11. Tony bought Pizza for £(20 20𝑎 + 30𝑏) and Milk Shake £ (-10𝑎 + 5𝑏). What is the total amount he spent?

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12. Find the perimeter of the given rectangle :

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13. Jane is 2𝑎𝑏 years old and her father is 3𝑎 years older than her. What is the age of her father if 𝑎 = 4, 𝑏 = 2 ?

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300𝑥 𝑦𝑧 among 10𝑥𝑦𝑧 children. How much money did each 14. Catherine has to divide £300 get?

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15. Find the perimeter of the given figure if 𝑎 = 3, 𝑏 = 5, 𝑐 = 4:

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This worksheet must not be photocopied or reproduced. Those who violate copyright terms may face legal action. All rights reserved 11PlusTime 2019. Licensed to use by FIRST CLASS LEARNING DARTFORD.