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18 votes
What is the value of 3 x squared minus 5 x y + 5 y squared for x = negative 6 and y = 2?

-68
-4
188
208

2 Answers

8 votes

Answer: 188

Step-by-step explanation: If you plug in all the values, you get 188.

So, 3(-6){squared} - 5(-6)(2) + 5(2){squared)

3(36)+60+20

3(36)+80

108 + 80 = 188

I hope this helps!

User Anjan Talatam
by
3.8k points
3 votes

Answer:

188

Explanation:

3x² - 5xy + 5y² for x = -6 and y = 2

3(-6)² - 5(-6)(2) + 5(2)² =

= 3(36) + 60 + 5(4)

= 108 + 60 + 20

= 188

User Carlita
by
3.4k points