Intervals and absolute value
Types of exercises: writing an interval, equation with absolute value, absolute value - calculations and the number line, an interval from the number line.
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Write the set as an interval
x ≥ −10 and x ≤ −9
Solve the equation
|x − 13| = 11
Write the interval shown on the number line
Which interval is marked on the number line?
Problem
On the number line, the distance between x and −1 equals 12. What values can x take?
Write the set as an interval
x ≥ 0 and x < 2
Solve the equation
|x + 8| = 19
Write the interval shown on the number line
Which interval is marked on the number line?
Calculate
|9 − √44| + |√44 − 4|
Write the set as an interval
x > −7 and x < 8
Solve the equation
|x − 12| = 15
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