Question

pls answer this fast
this is a leaked questions from term 1 exama
10th
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Answer 1

Answer:

Q.9

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${x}^{2} -( k - 1)x + 7 = {3}^{2} - (k - 1)3 + 7 \\ = 9 - (k - 1)3 + 7 \\ = 16 - 3k - 3 \\ = 13 - 3k \\ 13 - 3k = 0 \\ 13 = 3k \\ k = \frac{13}{3}$

Answer 2

Answer:

The examples of non uniform accelerated motion. a) The motion of earth around the sun b) The motion of the moon around the earth