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If 25 – 4x ≤ 16, Find: (1) the Smallest Value of X, When X is a Real Number, (2) the Smallest Value of X, When X is an Integer. - ICSE Class 10 - Mathematics

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Question

If 25 – 4x ≤ 16, find:

(1) the smallest value of x, when x is a real number,

(2) the smallest value of x, when x is an integer.

Solution

25 – 4x ≤ 16

-4x ≤ 16 – 25

-4x ≤ -9

`x ≥ 9/4`

x ≥ 2.25

(1) The smallest value of x, when x is a real number, is 2.25.

(2) The smallest value of x, when x is an integer, is 3.

  Is there an error in this question or solution?

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Solution If 25 – 4x ≤ 16, Find: (1) the Smallest Value of X, When X is a Real Number, (2) the Smallest Value of X, When X is an Integer. Concept: Linear Inequations in One Unknown.
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