Numbers
Which of the following categories does -8 fit into:
integer, rational number, irrational number
Both integer and rational number
Evaluate: 8 + 3 * 2
Evaluate: |-9|
9
Solve: x + 7 = 15
x = 8
Solve: x + 4 > 9
x > 5
Order from least to greatest:
-3, √5, -7.82, 0, 2
-7.82, -3, 0, 2, √5
Evaluate 2x + 5 when x = 4
13
Evaluate: |6 - 10|
4
Solve: 4x = 28
x = 7
Solve: -4x ≥ 20
x ≤ -5
Is the √25 rational or irrational? Explain your answer.
Rational because the √25 simplifies to 5, which is a whole number and can be written as a fraction, making it a rational number.
Evaluate: 18 ÷ 3 + 2²
10
Evaluate: -|−7| + 12
5
Solve: -3x - 5 = 16
x = -7
Solve: 2x - 5 < 9
x < 7
Classify -4.75 using the smallest number set it belongs to:natural, whole, integer, rational, or irrational
rational
Evaluate 3b - 2a when a = 5 and b = -4
-22
Evaluate: |−3| + |−8| − 5
6
Solve: 2(x + 4) = 20
x = 6
Solve: 3(x - 2) + 4 > 16
x > 6
Order from greatest to least
-2.5, -√9, 1/2, -3.2, 0, 1.01
1.01, 1/2, 0, -2.5, -√9, -3.2
Evaluate: 4[3 + 2(5 - 8)]²
36
Evaluate: 2|−5 + 1| − |−3|
5
Solve: 5x - 7 = 7x + 14
x = -14
Solve: -4(2x - 5) + 1 ≥ 10x - 15
x ≤ 2