thomasshy116
thomasshy116 thomasshy116
  • 06-12-2018
  • Mathematics
contestada

What are the restrictions of q²+3q-4 over q²-7q-8, and why?

A. q≠ -1 and q≠ 8
B. q≠ -1 and q≠4
C. q≠ 1 and q≠-8

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 06-12-2018

Answer:

A. q≠ -1 and q≠ 8

Step-by-step explanation:

the restrictions are based on the denominator

(q²-7q-8)

factor this

(q-8) (q+1)

using the zero product property

q-8=0 and q+1 =0

q =8   q=-1

the denominator cannot equal zero so q≠ 8 and q≠-1

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Аноним Аноним
  • 10-12-2018

simply A.

q≠ -1 and q≠ 8

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