Plz besties can you help me a) show that k lies between - 8 and 1 in the following inequality {k}^(2) + 7k \leqslant 8 ​

Question

Plz besties can you help me

a) show that k lies between - 8 and 1 in the following inequality

`{k}^(2) + 7k \leqslant 8`
​

Answer 1

-8≤k≤1

Explanation:

k²+7k-8≤0

(k+8)x(k-1)≤0

k1= -8

k2= 1

-8≤k≤1