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Natali [406]
3 years ago
10

What is the solution of the inequality x^2-9x+18 less then or equal to zero? Graph solution.

Mathematics
1 answer:
Stels [109]3 years ago
6 0

ANSWER

3\le x\le6

EXPLANATION

The given inequality is

{x}^{2}  - 9x + 18 \leqslant 0

This is the same as

(x - 3)(x - 6) \leqslant 0

The corresponding equation is

(x - 3)(x - 6)= 0

By the zero product principle,

x = 3 \: or \: x = 6

We now plot the boundaries and test for the region that satisfies the inequality.

See attachment.

From the graph the solution is

3\le x\le6

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