A number that can be expressed as a ratio a/b, where a and b are integers and b is not zero. The decimal form is either a terminating or repeating decimal.
Rational number
100
What type of number is the square root of 3?
Real, irrational
100
The way in which you group factors does not affect the product
Associative Property of Multiplication
100
The product of 12 and the sum of a number and negative 3
12 [x + (-3)]
200
2a + (b + 3)^2
if a = -2 and b =3
32
200
Expressions that contain at least one variable
Algebraic expressions
200
What type of number is 7?
Real, integer, whole, natural
200
What is the additive inverse of
-11
200
The difference between the product of 4 and a number and the square of the number
4x-x^2
300
w - 2x + y / 2
if w = -3, y = 2.6, and z = 1/3
-9.7
300
The decimal form of this number neither terminates nor repeats. Square roots of numbers that are not perfect squares are this.
Irrational number
300
What type of number is 0.125?
Real, rational
300
What is the multiplicative inverse of 5/8
8/5
300
5x-3=-33
-6
400
(b + 6) / 4(d + c)
if a = -4, b = -0.8, c = 5, and d = 1/5
What is 0.25
400
Letters used to represent unknown quantities
variables
400
What type of number is the square root of 36?
Real, whole, integer, natural
400
For all real numbers a, b, and c, if a=b and b=c, then a=c.
Transitive property
400
Solve for a
c(a+b) - d = f
a = [(f+d)/c] - b
500
The formula for the area A of a triangle with height h and base b is A = (1/2)bh. Write an expression to represent the area of the triangle if b = x+7 and h = 2x.
(1/2)(x + 7)(2x)
500
A mathematical sentence stating that two mathematical expressions are equal is...
Equation
500
What type of number is -12?
Real, integer
500
If a = b, then a may be replaced by b and b may be replaced by a.