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Marat540 [252]
2 years ago
7

Need help with this math question (pic included)

Mathematics
2 answers:
Kamila [148]2 years ago
6 0

Answer:

8

Step-by-step explanation:

If the only zero for this function is at x = - 4 it looks like this:

f(x)  = (x+4)(x+4)        =    x^2 +8x + 16      <u>   so j = 8 </u>

Alika [10]2 years ago
6 0

Answer:

Step-by-step explanation:

x² +jx +k = 0

If there is only one root ( - 4 ), then (x + 4)² = 0

or

x² + 8x + 16 = 0

<em>j = 8</em> and <em>k = 16</em>

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