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Name all the sets to which the following number belongs: $sqrt16$
1. Irrational
2. Rational only
3. Rational & Integer
4. Rational, Integer, Whole, & Natural
Solve the equation $|1-2x|+6=9$.
1. $x= -1$
2. $x= -2, 0$
3. $x= -1, 2$
4. $x= -2,1$
Which is not a rational number?
1. $1/3$
2. $0.25$
3. $0.6666666...$
4. $sqrt(2)$
Reduce the fraction.
$27/36$
1. $27/36$
2. $9/12$
3. $7/9$
4. $3/4$
5
1. Counting number
2. Whole number
3. Integer
4. Rational
5. Irrational
6. Real
What are integers?
1. Positive and negative whole numbers and zero
2. The point at which the x and y axes cross (0, 0)
3. The line across the bottom of the graph
When isolating the absolute value part of the equation, what steps should you do and in what order?

$3-4|x-4| =27$
1. Add 4 on both sides, divide both sides by 3
2. Subtract 3 on both sides, divide both sides by 4
3. Subtract 3 on both sides, add 4 on both sides
4. Add 3 on both sides, multiply both sides by 4
5. Subtract 3 on both sides, divide both sides by -4
Classify the number -7.23.
1. Integer, rational, real
2. Integer, irrational, real
3. Rational, real
4. Irrational, real