holcombe345 holcombe345
  • 09-07-2020
  • Mathematics
contestada

Evaluate the following when a=2 b=-3 and c=4:
5a -b2 +2c(a-b)
Select one:
a. 41
O b.-41
O c. 135
O d. 270

Respuesta :

09pqr4sT
09pqr4sT 09pqr4sT
  • 09-07-2020

Answer:

A. 41

Step-by-step explanation:

5a - b² + 2c(a-b)

Put a = 2, b = -3, and c = 4.

5(2) - (-3)² + 2(4)(2-(-3))

Evaluate.

10 - 9 + 2(4)(2+3)

10 - 9 + 8(5)

10 - 9 + 40

1 + 40

= 41

Answer Link
Hi1315
Hi1315 Hi1315
  • 10-07-2020

Answer:

[tex]41[/tex]

Step-by-step explanation:

Given that,

[tex]a = 2 \\ b = - 3 \\ c = 4[/tex]

Let's solve now,

[tex]5a - {b}^{2} + 2c(a - b) \\ 5 \times 2 - ( { - 3}^{2} ) + 2 \times 4(2 - ( - 3)) \\ 10 - ( - 3 \times - 3) + 8(2 + 3) \\ 10 - 9 + 8 \times 5 \\ 10 - 9 + 40 \\ 1 + 40 \\ = 41[/tex]

Answer Link

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