Do My Math Homework (Elementary Algebra)

Elementary Algebra Test 2

Instructor: Israt Chowdhury

UAPB

Multiple choice , two hours test , 100 points

Mark or circle correct answer

1. Add or subtract as needed - 18 + 15 – 16 + 15

(a) - 4 (b) 4 (c) - 64 (d) 64

2. Simplify : (5x)(1/5x)

(a) 25x2 (b) 10x (c) 5x2 (d) 1

3. Simplify : x2(-2x3)

(a) – 2x6 (b) 2x5 (c) – 2x5 (d) 2x6

4. Simplify the expression by removing symbols of

grouping and combining like terms . m – 3 (m – 7)

(a) - 2m + 21 (b) 4m + 21 (c) – 2m – 21 (d) 2m +21

5. Subtract : 5/6 – (- 1/6 )

(a) 2/3 (b) 1 (c) 1/2 (d )

6. Combine like terms by removing symbols of grouping

- 3x + 3 ( - 2x + 2)

(a) – 9x +6 (b) 9x – 6 (c) – 9x - 6 (d) 9x + 6

7. Combine like term – 2(4x -1) +3x

(a) 5x + 2 (b) – 5x - 2 (c) 11x +2 (d) – 5x +2

8. Add : 2x/3 + x/3

(a) x (b) 3x (c)(1/3)x (d) 3

9. Subtract : x/3 – x/4

(a) x/3 (b) 7x/12 (c) x/12 (d) x/7

10. Decimal notation of 135.635 × 10-4 is 0.0135635

(a) True (b) false

11. Evaluate algebraic expression : -3x +2( x+ y)

When x = 2 and y = 2

(a) 2 (b) 6 (c) – 6 (d) -14

12. Evaluate algebraic expression : x2- 3x +2 when x = 2

(a) 0 (b) (c) – 6 (d) -12

13. Exponential form of (a + b ) (a + b)(a + b) is (a + b)3

(a) True (b) False

14. (2/3)-3 is

(a) 9/8 (b) 2/9 (c) 8/27 (d) 8/9

15.Translate the verbal phrase into an algebraic expression

3 more than 5 times a number

(a) 3n + 5 (b) 5 +3n (c) 3 + 5n (d) 5n + 3

16. The product of a number and 3 less than a number

(a) 3n – 3 (b) n(n-3) (c) 3n +3 (d) n2- 3

17. x minus the sum of 25 and x

(a) x – (25+x) (b) x – 25 + x (c) x -25x (d) x – (25 -x)

18. find the perimeter of a triangle if the sides are 2x- 1 , x and x+1

(a) 4x (b) 4x +2 (c) 4x – 2 (d) 2x

19. Find the area of a rectangle if the length is x and width is (x-1)

(a) x2-1 (b) 2x (c) x2- x (d) x2+x

20. 10-3 is

(a) 1/1000 (b) – 1000 (c) -30 (d) 300