Expressions
This is the algebraic expression for:
Eight times the sum of a number and 2
8 (x + 2)
This is the equation for:
Four times a number is -48
4x = -48
This is the variable in this expression:
-5y3 + 9y2 + 4y + 7
y
This type of number is shown here:
√2
Irrational Number
Norman is triple Devin's age. Devin is 25 years old; this is Norman's age
75
This is the algebraic expression for:
Three times a number increased by 8
3x + 8
This is the equation for:
The quotient of a number and 15 is 450
(x/15) = 450
Name the constant in this expression:
2x2 - 3x + 6
6
This property is shown here:
(x +1) (2) = (2) (x +1)
The Commutative Property of Multiplication
The sum of a number and 6 is -10. This is the value of the number
-16
This is the algebraic expression for:
Two thirds of a number plus 5
(2/3) x + 5
This is the equation for:
-50 is three times as many as the difference of a number and 6
-50 = 3 (x - 6)
There are this many terms in this expression:
2x4 - 3x3 + 6x2 - 8x + 4
5 terms
This property is shown here:
93 + (-93) = 0
Inverse Property of Addition
Norman is 2 less than twice his brother's age. Norman's brother is 35 years old; this is Norman's age
68
This is the algebraic expression for:
The product of 2 and p added to 5
2p + 5
This is the equation for:
The beach is x miles away from home. Josh drove to and from the beach with a total distance of 36 miles
2x = 36
There are this many like terms in this expression:
2a - 3b + 4c - 4a + 6 - 10a
3 Like Terms
This property is shown here:
2 (x - 5) = 2x -10
The Distributive Property
Michelle has 5 less than quadruple Norman's candies. Norman has 21 candies. This is the amount of candy Michelle has.
This is the algebraic expression for:
The sum of a number and 81 multiplied by the quotient of 2 and 3
(x + 81) (2/3)
This is the equation for:
40 less than the product of five and a number is the same as 100
5x - 40 = 100
This is the constant in this expression:
-7z4 + 5z3 + 4z2 + 9z - 6
-6
This type of number is shown here:
(-4 / 25)
Rational Number
Norman withdrew $400, and then deposited $250. His bank account now has $700. This is the amount Norman's account had before he made his transactions.
$850