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SOL Mini-Challenge

By Margaret Scott,2014-06-17 23:16
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SOL Mini-Challenge

SOL Mini-Challenge Expressions and Operations

    A.10, A.11

Read and solve.

     231. Which is equivalent to (2x) ?

     6 A. 8x 6 B. 6x 5 C. 8x 5 D. 6x

     51031542. 12xy 3xy + 21xy is equivalent to--- 5 3xy

     52103 A. 4 xy + 7xy 52103 B. 4xy xy + 7xy 53104 C. 4 xy + 7xy 2334 D. 4xy xy + 7xy

3. The diameter of a barium atom is 0.0000004346 millimeters. In scientific notation it

    is

     -8 A. 43.46 x 10 mm 7 B. 4.346 x 10 mm -7 C. 4.346 x 10 mm -7 D. 4346.0 x 10 mm

     24. 5x(3x + 4x 6) is equivalent to---

     32 A. 8x + 9x 11x 2 B. 15x + 20x 30 3 C. 15x + 4x 6 32 D. 15x + 20x 30x

     735. Evaluate (4.67 x 10) (3.24 x 10).

     ?11 A. 1.51308 x 10 21 B. 1.51308 x 10 10 C. 7.91 x 10 10 D. 15.1308 x 10

    SOL Mini-Challenge continued

    ??

    6. 648,392 in scientific notation is

     3 A. 648.392 x 10 5 B. 6.48392 x 10 -5 C. 6.48392 x 10 -6 D. .648392 x 10

     23227. Which is equivalent to -3xy(6xy + 10xy 2x + 8)?

     532 A. -18xy + 10xy 2x + 8 534232 B. -18xy 30xy + 6xy 24xy 624222 C. -18xy 30xy + 6xy 24xy 9322 D. -18xy 30xy + 6x 24

     24538. Which is equivalent to (6x)(3x)(2x) ?

     21 A. 17x 21 B. 108x21 C. 144x 40D. 144x

     4329. Which is equivalent to 6x + 9x 15x ?

     3x

     32 A. 2x + 3x 5x 32 B. 3x + 6x 12x 32 C. 6x + 9x 15x 543 D. 18x + 27x 45x

     42510. Which is equivalent to (8xy) ?

     2010 A. 390,625 xy 2010 B. 32,768 xy 2010 C. 40 xy97 D. 40 xy

SOL Mini-Challenge Expressions and Operations

    A.11

Read and solve.

11. The length of a rectangular classroom floor is 19 feet less than twice the width.

    w

     2w 19

     Which expression represents the area of the classroom floor?

     A. 3w 19

     B. 6w 38 2 C. 2w 19w 2 D. 2w 19

    12. Which expression is equivalent to (2a + 4b)(3a b) ?

     F. 5a 3b 22 G. 6a 4b 22 H. 6a 10ab + 5b 22 J. 6a + 10ab 4b

13. Which expression is equivalent to (3m + 6n 5) + (2m 3n + 6) ?

     A. m + 3n + 1

     B. 5m + 3n + 1

     C. 5m + 9n + 11

     D. 6m 18n 30

    14. Which expression is equivalent to (x 4)(x + 3) ?

     F. -2x 1 2 G. x 12 2 H. x x 12 2 J. x + 7x 12

SOL Mini-Challengecontinued

15. Which expression is equivalent to (7x + 8y 8) (-x 3y 6z) ?

     22 + 5y 2z A. 8x22 B. -7x 24y 6z 8

     C. 6x + 5y + 6z 8

     D. 8x + 11y + 6z 8

     216. Which is equivalent to (6x 4y) ?

     22 F. 36x 16y 22 G. 12x 24xy 8y 22 H. 36x 24xy + 16y 22 J. 36x 48xy + 16y

17. Which is equivalent to (x 4)(x + 4) ?

     A. 2x 8 2 B. x 16 2 C. x 8x 16 2 D. x 8x +16

     2218. Which is equivalent to (15x + 3x 6) (15x + 3x + 6) ?

     F. -12

     G. 12

     H. 0 2 J. 30x + 6x

     2319. Which is equivalent to (3x 4)(2x + 6x) ?

     5 A. 6x 24x 53 B. 6x + 10x 24x 63 C. 6x + 3x 24x 53 D. 5x + 7x + 2

     2220. Which is equivalent to (15x + 8x 9) + (3x 2x + 8) ?

     2 F. 12x 10x 17 2 G. 18x + 6x 1 2 H. 18x + 10x + 17 42 J. 18x + 6x 1

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