Real Numbers
9/2
What is, a Rational Number?
3c(5a + 2b – 1)
15ac + 6bc - 3c
A number is greater than -5.
x > -5
The difference between two unknown numbers.
What is,
x - y
The property that justifies the statement:
a * -b = -b * a
What is, a Whole Number?
5x – 4 – 7x + 14
-2x + 10
A minimum number of 17.
x ≥ 17
The product of a number and four, minus another number.
What is,
4x - y
The property that Justifies this statement:
a(x + b) - c = ax + bx - c
What is, the Distributive Property?
34-2(3+5)
What is, 65: A Natural Number?
2(x – 1) + 5(x + 9)
7x + 43
A number that is at most 40.
x ≤ 40
Seven less than a number squared, halved.
What is,
(x - 7)/2
The property that justifies the statement:
(a - b) * 0 = 0
What is, the Property of the Product of Zero?
[π(2 - 3π) + π]/π
What is, 3(1 - π): an Irrational Number
a + 3a – 4(9 – a)
8a – 36
A number that is at least 90.
x > 90
The quotient of a number and two, increased by nine is negative fifteen.
What is,
x/2 + 9 = -15
The property that justifies the statement:
if y = 4, then 4 = y
What is, the Symmetric Property?
All the common sets not closed under subtraction.
What is, the Whole Numbers, Natural Numbers, and Irrational Numbers?
(-2/3)[(5x/6) - 3]
(-5x/9) + 2
A number strictly between 4 and 37.
4 < x < 37
A Number such that the sum of twice the number and six is the same as three subtracted from the number itself.
What is,
2x + 6 = x - 3
x = -9
The property that justifies the statement:
if x + 2 = 3b, and b = c - 2, then c = (x + 8)/3
What is, the Transitive Property?