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umka2103 [35]
3 years ago
9

If x = 2 and y=-3, then -xy^2 = A) -36 B) 18 C) -12 D) - 18

Mathematics
1 answer:
Citrus2011 [14]3 years ago
4 0

Answer:

-18

Step-by-step explanation:

-xy^2 =

Let x=2 and y = -3

-(2) (-3)^2

-2 (9)

-18

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Hey there! I'm happy to help!

Step 2 is incorrect. She added 4 and 2 first, but you are supposed to multiply and divide first. Then she multiplied 6 and 6, which is 36. Then she divided 36 and 2, which is 18, and then she subtracted 7, giving her 11. Step 2 is what threw the whole thing off.

Here is what Sandy should have done.

STEP 1: 6·4+2÷2-7

STEP 2: 24+1-7

STEP 3: 25-7

STEP 4: 18

I hope that this helps! Have a wonderful day! :D

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It’s B. because 6•6=36 and B shows a little over six so B would be your answer.
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