evilturtle2692 evilturtle2692
  • 12-04-2018
  • Mathematics
contestada

22 Evaluate the expression for a = –1 and b = 5. Show your work. 5a – 7b + b2

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RinaLimbu
RinaLimbu RinaLimbu
  • 12-04-2018
(5x-1) - (7x5) + (5x2)
= -5 - 35 + 10
= -5 - 45
= -50
Answer Link
hollandllana hollandllana
  • 09-11-2018

5*-1=  -5

-5- 7b + b^2

7*5= 35

-5-35 + b^2

5*5= 25

-5- 35 +25

-5 - 35=  -40

-40 + 25= -15

-15


Answer Link

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