Question

what is the value of y^2-x^4 when y=9 and x=2

Answer 1

Answer:

65

Step-by-step explanation:

substitute the values of x and y directly in y^2-x^4

(9)^2-(2)^4

81-16

65

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Answer 2

Answer:

if y = 9

and x= 2

then, 9^2 = 9*9= 81

and 2^4 = 2*2*2*2=16

hence, 81-16=65

hope u understand the concept well