Algebraic Expressions – Quiz

1 Copyright 2009 Algebraic ExpressionsAlgebraic ExpressionsAlgebraic ExpressionsAlgebraic Expressions Algebraic Expressions quiz 1. If x = -3, what is the value of 2. Evaluate 2x + y, for x = -3 & y = 3 2x + 15? 3 3. Evaluate 2t (12 +4t) (3t)2 4. Evaluate the following expression : when t = -2 (3-9) + 42 10/-2 52 2 5. What will be the sixth term in 6. Complete the table of values. the following pattern: 3, 7, 19, 55 y y2 - 2 -3 0 -1 5 Copyright 2009 Algebraic ExpressionsAlgebraic ExpressionsAlgebraic ExpressionsAlgebraic Expressions Algebraic Expressions quiz 1.

2 If x = -3, what is the value of 2. Evaluate 2x + y, for x = -3 & y = 3 2x + 15? (2 points) 3 (2 points) 2(-3) +15 Substitute -3 for x -6 + 15 9 Answer: 9 3. Evaluate 2t (12 +4t) (3t)2 4. Evaluate the following expression : when t = -2 (2 points) (3-9) + 42 10/-2 52 2 (2 points) 2(-3) + 3 Substitute 3 -6 + 3 3 - 3 = -1 Answer: -1 3 2(-2) (12 +4(-2) (3 -2)2 2(-2) - 4 (-6)2 2(-2) - 4 36 -4 4 36 -8 36 -44 Answer.)

3 -44 (3-9) + 42 10/-2 52 2 -6 + 42 -10/-2 52 2 -6 + 16 -10/-2 25 2 -6 + 16 (-5) 50 10 (-5) 50 15 50 -35 Answer: -35 Copyright 2009 Algebraic ExpressionsAlgebraic ExpressionsAlgebraic ExpressionsAlgebraic Expressions 5. What will be the sixth term in 6. Complete the table of values. (4 points) the following pattern: (2 points) 3, 7, 19, 55 y y2 - 2 -3 (-3)2 -2 7 0 (0)2 -2 -2 1 12 -2 -1 5 52 -2 23 The pattern is (n 3 -2) 3, 7, 19, 55.

4 163, 487 1 2 3 4 5 6 The sixth term in the pattern is 487. This quiz is worth a total of 14 points.