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प्रश्न
`2x <= -7 => (2x)/(-4) >= (-7)/(-4)`
विकल्प
True
False
उत्तर
This statement is True.
Explanation:
If a ≤ b `=>` ac ≥ bc if c < 0
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संबंधित प्रश्न
If the replacement set is the set of whole numbers, solve:
`7 - 3x >= - 1/2`
Find the values of x which satisfy the inequation:
`-2 <= 1/2 - (2x)/3 ≤ 1 5/6; x ∈ N`
Graph the solution on the number line.
Solve and graph the solution set of:
2x – 9 ≤ 7 and 3x + 9 > 25, x ∈ I
Solve for x in the following in-equation, if the replacement set is R;
9 - 4x ≤ 15 - 7x
Solve for x : 7 + 5x > x - 13, where x is a negative integer.
Find the values of x, which satify the inequation
-2`5/6 < 1/2 - (2"x")/3 ≤ 2, "x" in "W"`
Graph the solution set on the number line.
Given 20 – 5 x < 5 (x + 8), find the smallest value of x, when
(i) x ∈ I
(ii) x ∈ W
(iii) x ∈ N.
One-third of a bamboo pole is buried in mud, one-sixth of it is in water and the part above the water is greater than or equal to 3 metres. Find the length of the shortest pole.
The solution set for the inequation – 2x + 7 ≤ 3, x ∈ R is ______.
The value of x for the inequation 3x + 15 < 5x + 13, x ∈ Z is ______.
