SAT Math · Linear inequalities in one or two variables · medium
Which inequality is equivalent to |x - 5| ≤ 3?
Which inequality is equivalent to ?
Answer and explanation
Answer: A: 2 ≤ x ≤ 8
The inequality says the distance from to 5 is at most 3. So lies between and , which gives , choice A. Equivalently, , then add 5 to all three parts. Choice B () adds 5 to the right bound but mishandles the left, getting instead of 2. Choice C () uses 3 as the upper bound without adding 5. Choice D describes the outside of the interval, which would be the solution of .
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