Unit 1 Lesson 2: Exercise 2
Given that x = -5, y =7 and z = -11, find the values of the following expressions:
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Question 1 of 10
1. Question
1) 3x + 4y
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Question 2 of 10
2. Question
2) 3x – 5z + 2y
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Question 3 of 10
3. Question
3) -x – y2 – 3z
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Question 4 of 10
4. Question
4) -2z(-3x + y2)
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Question 5 of 10
5. Question
5) 3(x – z) + 2(4x – y)
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Question 6 of 10
6. Question
6) (2x)2 – (3y)2
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Question 7 of 10
7. Question
7) (2x + 9y)(2x – 9y)
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Question 8 of 10
8. Question
8) –(– 5 – 3x) – 3z(y – 7)
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Question 9 of 10
9. Question
9) 8xy2 + x3 – 2z
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Question 10 of 10
10. Question
10) y – 2x – xz
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