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Exponents & Coefficient Variables
Con il contributo di: Green
  • 1. (a)(a)(a)(a)(a)(a)(a)(a)=
A) a8
B) a6
C) 8a
D) 6a
  • 2. bbbbbbbbb + bbbbbbbbbbbb=
A) b21
B) 21b
C) 9b+12b
D) b9 +b12
  • 3. (3g2)(3g2)=(3)(3)(gg)(gg) =
A) 10g
B) (3g2)2 = 9g4
C) 6g
D) 6g4
  • 4. 6h2 + 3h + 4h2 + 6 =
A) 19h3
B) 10h2 + 3h + 6
C) 13h2 + 9h
D) 9h2 + 10h
  • 5. 3m( 2m2 + 4n +3)
A) 14mnmm
B) 6m3 + 12mn + 9
C) 6m2 + 7mn + 6
D) 27m3n
  • 6. 5( s3 + 2s5 + 5)
A) 5s3 +7s10
B) 12s15
C) 5s3 + 10s5 + 25
D) 35s8
  • 7. (9f6j5) / (3f7j4)
A) 6f14j9
B) fj/3
C) 3/fj
D) 3j/f
  • 8. 9k2 - r2 =
A) (3k+r)(3k+r)
B) (3k-r)(3k+r)
C) 3kr
D) (3k-r)(3k-r)
  • 9. (3n2 - 5n +3) - (2n^ +2n -4)
A) 5n2 +7n+1
B) n2 -7n +7
C) n2 -5n -8n3
  • 10. (2 + y)(4y2 +3u+2)
A) 8y2 +6uy + 4y
B) 4y2 +3u+y+4
C) 4y3 + 8y2 +2y + 3uy +6u +4
D) 18y4
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