Question

find the expression if x=1 and y=2
option; 1) -y2+3-x2.
option; 2) X2+ y2
option; 3) 3x-5y​

Answer 1

Answer:

1) -1

2) 6

3) -7

Step-by-step explanation:

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Answer 2

Answer:

We simply substitute x=1,y=2 in the given expression x

2

+y

2

as shown below:

x

2

+y

2

=(1)

2

+(2)

2

=1+4=5

Hence, the value of the expression x

2

+y

2

=5 when x=1,y=2.

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