a(0) = 0(a) = 0
What is the zero property of multiplication?
When you "undo" the distributive property.
What is factoring?
n + 6 =-7
What is n = -13?
the quotient of a number and 13
n/13
3 + n, when n = -4
-1
The sum of any integer and zero equals the original integer.
What is the identity property of addition?
x+2x
What is x(1+2)=3x?
A string of numbers and operational signs that name a number. For example, 2+3
What is a numerical expression?
33 decreased by the the quotient of p and 7
What is
33- p/7
2y + 10 - 5, when y = 4
13
Changing the order of the factors does not change the product.
What is the commutive property of multiplication?
15(x+y)
What is factor 15x + 15y?
A mathematical expression containing numbers, variables, and operational signs. For example, 8x+x.
What is an algebraic expression?
What is -q - xy?
6b - 3b + 9, when b = -3
0
For all integers a, b, and c, a+(b+c) = (a+b)+c
What is the associative property of addition?
35x+15y+5z
What is 5(7x+3y+z)
x-(3+7) =-19
What is x=-9?
twice the sum of a number and 8
2(n+8)
50 - 3y, when y = 25
-25
For all integers a and b, ab is an integer.
What is the Closure Property of Multiplication?
10(x + y + 3)
10x + 10y +30
Combine like terms: 8y - 4 + 2y +7
10y + 3
the product of 25 and the difference of a number and 5
25(n-5)
9s + 12s + 2y - 4y, when s = 10 and y = 5.
200