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21-05-2022
Mathematics

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Show by substitution whether the number r is a solution of the corresponding quadratic equation.

Show by substitution whether the number r is a solution of the corresponding quadratic equation class=

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Аноним Аноним

21-05-2022

Answer:

It's choice B.

Step-by-step explanation:

When r= -11,

x^2 + 8x - 33 = (-11)^2 - 88 - 33

= 121 - 88 - 33

= 0

- so x = -11 gives a zero value and is a solution to the equation.

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