Evaluating Expressions
Properties
Writing Expressions
Simplifying Expressions
Functions
100
Evaluate 5a - 2b, if a = 4 and b = 5
10
100
According to the ________ Property, 5(2x + 3) = 10x + 15
Distributive
100
Write a variable expression for:
"Three more than a number"
n + 3
100
5d + (6d + 3)
11d + 3
100
Is this a function?
Yes
200
Evaluate x2 - 5, if x = 4.
11
200
According to the Additive Inverse Property:
5 + ___ = 0.
-5
200
Write a variable expression for:
"Three less than a number"
n - 3
200
4x2 + 3x + 5x2 - x
9x2 + 2x
200
Is this data continuous or discrete?
discrete
300
Evaluate ab - bc + d, when a = 7, b = 6, c = 5, and d = 8
20
300
According to the Multiplicative Inverse Property,
7(___) = 1
1/7
300
Write a variable expression for:
"Three-fifths of a number"
3/5 n
300
2(3x + 5) - 5x
x + 10
300
Is this a function?
No, it fails the vertical line test.
400
Evaluate x2 - y2, when x = 4 and y = 2
12
400
If 10 = x + 3, and x=y, then according to the Substitution Property, 10 = __________
y + 3
400
The product of five and a number cubed.
5x3
400
(5x2 + 4x + 10) - (2x - 5)
5x2 + 2x + 15
400
For the function f(x) = 5x - 2, find the f(x) when x = 5.
23
500
Evaluate 3/a + 3/b when a = 4 and b = 2. Write you answer as a mixed number.
2 1/4
500
Use the Distributive Property to evaluate:
4 1/6 times 12
(4 + 1/6)12
4(12) + 1/6 (12)
48 + 12/6
48 + 2
50
500
The quotient of the square of a number and 7
n2/7
500
7x - [5 - (2x + 5)]
7x - [5 - (2x + 5)]
7x - (5 - 2x - 5) Distribute the negative.
7x - 5 + 2x + 5 Distribute the negative.
9x
500
If f(x) = 2x + 1, find f(3n + 2)
2(3n + 2) + 1
6n + 4 + 1
6n + 5