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Determine the value of y, if x is -11 . y=x^(2)+4 Answer:

Determine the value of y y , if x x is −11-11 .\newliney=x2+4 y=x^{2}+4 \newlineAnswer:

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Full solution

Q. Determine the value of y y , if x x is −11-11 .\newliney=x2+4 y=x^{2}+4 \newlineAnswer:
  1. Substitute xx into equation: Substitute the value of xx into the equation.\newlineWe are given the equation y=x2+4y = x^2 + 4 and told that x=−11x = -11. We substitute −11-11 for xx in the equation to find yy.\newlineCalculation: y=(−11)2+4y = (-11)^2 + 4
  2. Calculate square of −11-11: Calculate the square of −11-11. The square of −11-11 is 121121 because (−11)×(−11)=121(-11) \times (-11) = 121. Calculation: y=121+4y = 121 + 4
  3. Add 44 to result: Add 44 to the square of −11-11. Now we add 44 to 121121 to find the value of yy. Calculation: y=121+4=125y = 121 + 4 = 125

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