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ICSEClass 10MathematicsLinear Inequations01 Mark2023 Easy

QQuestion

The solution set for the inequation 2x + 4 ≤ 14, x ∈ W is:

(a) {1, 2, 3, 4, 5}

(b) {0, 1, 2, 3, 4, 5}

(c) {1, 2, 3, 4}

(d) {0, 1, 2, 3, 4}

Exam-ready answer • 01 Mark

Answer

(b) {0, 1, 2, 3, 4, 5}

Explanation:

Given, 2x + 4 ≤ 14

2x ≤ 14 − 4

2x ≤ 10

x\leq\frac{10}{2}

x ≤ 5

Since x ∈ W, x can be 0, 1, 2, 3, 4 or 5.

Therefore, the solution set is {0, 1, 2, 3, 4, 5}.

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