Variables And Expressions
What word phrase explains this equation?
x+8.1
The sum of 8.1 and a number x
5+2*7
19
Which category does this number fit into?
7
Natural Whole Integer Rational Real
A distance that the number is on a number line from zero
Absolute Value
3(5+2)
21
What word phrase explains this equation?
x-2
The difference between number x and 2
2-9+5*2
3
Which category does this number fit into?
-3
Integer Rational Real
Numbers that are the same distance from zero on a number line, but the opposite direction
Opposites
6(2+4)
36
What word phrase explains this equation?
n/3
The quotient of number n and 3
(7*3)2 +4
46
Which category does this number fit into?
1/3
Rational Real
The opposites of a number. The sum of opposites is zero the opposite of a is -a
Additive Inverse
5(9-4)
25
What word phrase explains this equation?
5x-1
1 less than the product of 5 and number x
(5+2) - 32
-2
Which category does this number fit into?
10/-3
Rational Real
Given a nonzero Rational number a, the
______ _______ is 1/a. The product of the nonzero number a and the ______ _______ is 1.
Multiplicative Inverse
x(9+2)
11x
What word phrase explains this equation?
12x+22
The sum of 22 and 12 times number x
5*7 - 42 /2
27
Which category does this number fit into?
π (pi)
Irrational
A fraction flipped. 1/2 becomes 2/1.
Reciprocal
-x(15-12)
3x