Question

find K , if -5is a zero of 3xsquare +8x -k​

Answer 1

Answer:

given, quadratic equation is ,

3x² + 8x - k = 0

since,

-5 is a zero os this equation so,

3( -5)² + 8(-5) - k = 0

=> 3*25 -40 - k = 0

=> 75 - 40 = k

=> 35 = k

or , k = 35.

so, the value of k is 35.

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