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27 votes
27 votes
Let a = -2, b = 5, c = -7, and x = -3.

Evaluate ax² + bx + c.
1) - 34
2) 14
3) - 40
4) - 4

User GrahamA
by
2.4k points

2 Answers

15 votes
15 votes

Answer:-


\red{\bigstar} The final evaluation of the given expression is
\large\leadsto\boxed{\rm\purple{- 40}}

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Given:-

  • Expression = ax² + bx + c

  • a = -2

  • b = 5

  • c = -7

  • x = -3

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Solution:-

Substitute the given values of each variable in the expression.

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\bold{ax^2 + bx + c}

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\sf (-2) * (-3)^2 + (5) * (-3) + (-7)

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\sf (-2) * (9) + (-15) + (-7)

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\sf - 18 - 15 - 7

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\bold\red{\large{- 40}}

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\pink{\bigstar} Therefore, the the final evaluation of the given expression is -40.

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\pink{\bigstar} Hence, the Option. C

User Dhskjlkakdh
by
2.8k points
11 votes
11 votes


\huge\text{Hey there!}


\huge\boxed{\mathsf{ax^2 + bx + c}}


\huge\boxed{\mathsf{= -2(-3)^2 + 5(-3) + (-7)}}


\huge\boxed{\mathsf{= (-2)(9) - 15 - 7}}


\huge\boxed{\mathsf{= -18 - 15 - 7}}


\huge\boxed{\mathsf{= -33 - 7}}}


\huge\boxed{\mathsf{= -40}}


\huge\boxed{\rm{Therefore, your \ answer\ is: \boxed{\mathsf{Option\ C. -40}}}}\huge\checkmark


\huge\text{Good luck on your assignment \& enjoy your day!}

~
\huge\boxed{\frak{Amphitrite1040:)}}

User Ayjay
by
2.8k points