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Distributive
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Terms in this set (54)
3 (x + 7)
3x + 21
5 (4x + 1)
20x + 5
2 (x - 7)
2x + 14
2 (-3x + 8)
-6x + 16
8 (-3x + 5)
-24x + 40
4 (-3x + 8)
-12x + 32
3 (7x - 6)
21x - 18
6(2x + 5)
12x + 30
8 (3x - 5)
24x - 40
2 (7x - 3)
14x - 6
3x + 21
3(x + 7)
12n - 2(3n) + 10
6n + 10
2(3n + 8)
6n + 16
7(n + 2)
7n + 14
45 + 36n
9(5 + 4n)
Joe has, n, blue chips and 10 red chips. Write an expression that show how many chips Joe has.
10 + n
Max has, n, amount of pencils in his book bag. He gave away 9 to his friend. Write an expression to show how many pencils he has.
n - 9
Name the property for: a + b = b + a
Commutative
The field trip costs $5 per person and $30 for the bus.
5n + 30
evaluate: 5n - 9 when n = 4
11
evaluate: 4a - 2a + 12 when a = 2
16
Solve: x + 10 = 29
19
Solve: 6a = 72
12
Joe earns $10 per hour to mow a lawn plus $25 for gas.
10n + 25
Solve: x ÷ 2 = 4
8
Solve: 34 = x - 5
39
4x + 12y - 6x - 5y + 7x
5x +7y
2(4a + 6b + 5a)
18a + 12b
7(x + 2) - 2x
5x + 14
2(3x + 4) - 6x
8
4(r - 1) + 5r + 3
9r - 1
x + 6 = 13
x = 7
0 = t + 79
t = -79
7x = 63
x = 9
11 - p = 19
p = -8
solution
A number for a variable that makes the equation true.
equation
A mathematical sentence with an = sign.
3x = 12
x = 4
a + 11 = 19
a = 8
algebraic expression
A number sentence that contains operations, variables, and or numbers.
algebraic expression
a mathematical phrase that can contain ordinary numbers, variables (like x or y) and operators (like add,subtract,multiply, and divide) NO EQUAL SIGN
equation
a statement that the value of two expressions are equal; has an equal sign
terms
parts of an algebraic expression,either numbers or numbers mutliplied by variables; terms are separated by + or − signs
variable
a symbol in place of a number
constant
a fixed value; a number on its own
coefficient
a number used to multiply a variable
solution of an equation
A value which, when substituted for a variable in an equation, make the equation true
simplest form
algebraic expression in simplest form when it has no like terms and no parenthesis
Unit rate
A rate in which the second quantity in the comparison is one unit.
Algebraic Expressions
An expression that contains at least one variable
Variable
A letter that replaces an unknown number
Coefficient
A number which multiplies a variable
Constant
A value that does not change
Evaluate
Find the value
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