1. What is the sum of - 25gb and -15gb?
A. -40gb B.-10gb
C. 10gb
D. 40gb
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2. What is the difference -25gb and -15gb?
A-40gb
B. -10gb
C. 10gb
D. 40gb
3. Find the sum of the polynomial 5xy + 4 and 2(xy + 2).
A. 4xy + 2 B. 7xy +8
C. 2(6xy + 6)
D. 3(6xy + 6)
4. Find the difference of the polynomial 5xy + 4 and 2( xy + 2).
A. 4xy +2
B. 7xy + 8
C. 2(6xy + 6) D. 3(6xy + 6)
5. Simplify: 7y3z2 + 4y3 10y3z2 + 8yz
A. 29yºz B. 21y3z2 + 8yz C. 3y3z2 + 4y3 + 8yz D.-3y?z? + 4y + 8yz
6. What is the sum of 3m3 + 5m - 7 and 3m + 4?
A. 3m3 +2m2 + 3 B. 3m3 + 2m +3 C. 3m3 + 2m2-3 D. 3m + 2m - 3
7. Identify the similar terms in the given polynomial 7m?n? + 4m* + 7m2 + 10mm.
A. 4m" and 10m?n?
C.7m?n? and 7m3
B. 4m4 and 7m
D. 7m2n3 and 10m?n?
8. Find the difference of the polynomials (10r2 - 12r + 10) and (15r2 + 12r - 8).
A. -5r2 - 247 + 18 B. 572 - 18 C. 25r2 + 24r + 2 D. 25r2 + 24 + 18
9. Evaluate the sum of the expressions (a-2) and (a + 2) when a = 10
A. -20
B. -12
C. 12
D. 20
10. Evaluate the sum of the expressions (-25e2 + e - 5) and (2002 + 2e -2). when e = 2
A 21
B. -20
C. 20
D. 21
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