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03-11-2022
Mathematics

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Evaluate the expression when y= -4.y²-7y+2

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AsireM488115 AsireM488115

03-11-2022

Put y = -4 into the expression below:

[tex]y^2-7y+2[/tex]

Hence,

[tex]\begin{gathered} y^2-7y+2=(-4)^2-7(-4)+2 \\ =16+28+2 \\ =46 \end{gathered}[/tex]

Therefore, the value of the expression when y = -4 is 46

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