PRE-TEST
Directions: Read and analyze the problems carefully. Choose the
your answer.
1. What is the sum of 3x, -5x and 6x?
D.14x
A. -14%
C.4x
B. 4x
2. What is the sum when you add (7a + 3) and (4a - 1)?
D. 11a + 2
C. 3a + 2
A. - 11a-4 B, -3a + 4
3. What is the result when you combine (5x2 + 6xy) and (-7x2 + 8xy)?
D. 2x2 + 14xy
C. 2x2 - 14xy
A.-2x2 + 14xy B. -2x2 - 14xy
4. What is the additive Inverse of the expression (-7a + 5)?
B-7a + 5
A. -7a - 5
D. 7a + 5
C.72 - 5
5. Find the total of (7x2y - 9xy?) added by (-10xạy + 13xy?).
A. –3x²y - 4xy?
B. -3x?y + 4xy? C. 3x2y + 4xy2 D. 3x?y - 4xyz
6. What statement best defines a minuend?
A. It is a number that is to be added to the minuend.
B. It is a number that is to be subtracted by the minuend.
C. It is number that is to be subtracted from the minuend.
D. It is a number that is to be to subtracted by another number,
7. Find the sum when you add (5a + 9b) and (-7a - 3b).
A, -12a - 12b
B. -2a + 6b C. 2a + 6b
D. 12a + 12b
8. What is the sum when you combine (4x + 9y) and (-8x - 12y)?
A. -12x + 21y
B. - 4x - 3y C. 4x + 3y
D. 12x + 12y
9. What is the result when - 4xy is subtracted by-exy?
A. 4xy B.-12xy
C. 4xy
D. 12xy
10. Crisan has 3 different boxes full of letters. The first box contains 4x's, and Sy's while the
second box filled with 5x's and 9y's. She decides to put the letters together on the third
box. What are the contents of the third box?
A. – 9x= 147
B. -9x + 14y. C. 9x + 147
D. 9x - 147
11. Find the sum of (7a2 - 6a + 3) and (-40° + 6a - 4).
А, 3а2 - 1
B. -3,2 - 1
C. -3a²+1 D. 3a2 + 1
12. What is the difference if (14x - 3) is subtracted by (7x + 3)?
A. 7-6
B, -7x + 3
C. 7x-6
D. 7x - 3
13. Find the result if you subtract (5x + 4x - 1) to (7x2 - 8x + 3).
A. – 2x² + 12x + 2
B. 2x2 - 12x + 2
C. 2x² - 12x + 4 5. 2x + 12x + 4
14. What is the difference if (4a2 +50-6) is subtracted from (8a2 - 4a + 8).
A, 40²-9a+14 B. -4a2 + 9a + 14 C. 4a2 - 9a + 14 D. 422 +9a-14
15. Subtract (3ab) by (-2a'b').
A. 1
B. ab
C. 5a²h D. 5abahelp