3 years ago

If m equals x plus 4 squared and x equals -1 then m equals what

Mathematics

1 answer:

arsen [322]3 years ago

5 0

Answer:

15?

Step-by-step explanation:

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<h3>Given Equation:</h3>

$\huge \purple {\rm { {x}^{2} + kx - 12 = 0}}$

<h3>Value:</h3>

$\huge \purple {\rm {x = 4}}$

$\huge \purple {\rm {The \: value \: of \: k.}}$

<h3>Solution:</h3>

$\huge \purple {\rm { {(4)}^{2} + k(4) - 12 = 0}}$

$\huge \purple {\rm {or, \: 16 + 4 k - 12 = 0}}$

$\huge \purple {\rm {or, \: 4k = - 4}}$

$\huge \purple {\rm {or, \: k = \frac{ - 4}{4} = - 1}}$

<h2>Answer:</h2>

$\huge \purple {\sf {The \: value \: of \: k \: is \: -1}}$

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3 years ago

If m equals x plus 4 squared and x equals -1 then m equals what​

If m equals x plus 4 squared and x equals -1 then m equals what