# HW 6.6

```Integrated Math 2
Section: _____
HW 6.6
Name: ______________________________
Date: _______________________________
Directions: Identify the terms that match the given definition/examples.
1)
Term
Definition
Example
the 2 in 3x  2
a term that has a fixed number but no variable
   
the parts of an expression that are added
(subtracted) together
A mathematical phrase that combines
operations, numbers, and/or variables
the circled parts in
3x  2
Two expressions that have the same value
3  2  3  2
Terms that have the same variable parts
-x and 4x
or
2
2 x and 3x 2
the number part of a term that is multiplied by a
variable
the 3 in 3x
a letter used to represent one or more numbers
x
3x  2
each, 4 points total)
2)
25.12  0.08
3)
(4 x 3 y)3
Integrated Math 2
Section: _____
4) Convert to scientific
notation:
HW 6.6
Name: ______________________________
Date: _______________________________
5)
5  4 6  4   8
3
0.00547
Directions: Translate each written expression into an algebraic expression.
Then solve the equation for the unknown value. Don’t forget to define
6) Fifteen less than half a number is 34.
Equation: _______________________
Solve:
7) Eight more than four times a number is -12.
Equation: _______________________
Solve:
Integrated Math 2
Section: _____
HW 6.6
Name: ______________________________
Date: _______________________________
Use the Solve – Explain – Justify Table to solve an equation
8)
Solve
Explain
Justify
Explain
Justify
1
16  x  21
7
9)
Solve
50  30y  250  10y
*Multiplicative Identity Property
*Multiplicative Inverse Property
* Algebraic definition of subtraction
*Additive Inverse Property (AKA Property of Opposites) *Distributive Property
*Multiplication Property of Equality
*Division Property of Equality