Directions: Choose the letter of the correct answer.
What is the sum of the polynomial -13mn and mn?
B.-12mn
A. -14mn
C. 12mn
D. 14mn
2. What is the difference of the polynomial -13mn and mn?
A. -14mn
B. -12mn
C. 12mn
D. 14mn
What is the sum of the polynomial -(-ab + 3) and 4(-ab + 3)?
A. 3ab + 9
B. 3ab + 9
C.3(-2ab + 6) D. 4(-2ab + 6)
What is the difference of the polynomial--ab + 3) and 4(-ab + 3)?
A. -5ab - 15
B. -5ab + 15
C. 5ab + 15
D. 5ab - 15
5. What are the similar terms in the polynomial 6a²b3 + 3a+ + 6a3 + 9ab?
A ab
B. 6a and 6a C. 6a_band 6a D. 6a²b3 and 9a2b3
6. Simplify the given polynomial 4a + 6a²b3 + 6a3 +9a2b3.
A. -10a + 15a3 B. -10a3 - 15ab3 C. 10a3 + 15a²b3
D.25a2b3
7. Find the sum of (2p2 + 4p - 8) and (-2p + 3).
A. 2p2 + 2p + 5 B. 2p2 + 2p - 5C. 2p2-2p - 5D.-2p2-2p - 5
8. Find the difference when (582 + 25-6) is subtracted from (3s2 + 25 + 5).
A. 882 + 4s + 11 B. 282 + 11
C.-2s² + 11 D. -8s2 - 4s - 11
9. Evaluate the algebraic expression (-5m - 2) + (2m - 8), when m is equal to 5.
A 29
B. -25
C. 25
D. 29
10. Evaluate the algebraic expression (-5m - 2) - (2m - 8), when m is equal to 5.
A. -29
B.-25
C. 25
D. 29​