Evaluating Algebraic Expressions

1. Evaluate when x = 2.
   2x² + 5x + 1

2. Evaluate when x = -1.
   x² - 5x +6

3. Evaluate when v = 3 and w = -4.
   vw + 4
   

4. Evaluate when x = 4 and y = 5.
   x² + 2(x - y)²

5. Evaluate when a = 4 and b = -3.
   a + b²

6. Evaluate when x = -2 and y = -2.
   

7. Evaluate when x = 3 and y = -1.
   

8. Evaluate when x = -3 and y = -4.
   2x² + xy + y²

9. Evaluate when z = 2.
   2z³

10. Evaluate when x = -1 and y = 2.
    x³ - 3y
    

Answers:   1. 19   2. 12   3. -8   4. 18   5. 15

6.   7.   8. 46   9. 16   10. -7

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