evelyndeniserojas44 evelyndeniserojas44
  • 04-09-2020
  • Mathematics
contestada

Let x = -2 and y = 3. Evaluate 8x + 4y - 25

Respuesta :

iiMGii
iiMGii iiMGii
  • 04-09-2020

Answer:

- 29

Step-by-step explanation:

= 8x + 4y - 25

Sub in x = - 2 , y = 3

= 8 ( - 2 ) + 4 ( 3 ) - 25

= - 16 + 12 - 25

= - 29

Answer Link
xKelvin
xKelvin xKelvin
  • 04-09-2020

Answer:

-29

Step-by-step explanation:

So we have the expression:

[tex]8x+4y-25[/tex]

And we want to evaluate it for x=-2 and y=3. So, substitute:

[tex]=8(-2)+4(3)-25[/tex]

Multiply:

[tex]=-16+12-25[/tex]

Add:

[tex]=-4-25[/tex]

Subtract:

[tex]=-29[/tex]

And we're done!

Answer Link

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