Algebra/Integers
Evaluate the expression:18 + 2 x 4
26
Write as a decimal: -7 4/9
-7.4 repeating
Write the expression using exponents: 6x6x6x6x6
6^5
Express in standard form: 5.82 x 10^3
5820
Find the unit rate: $175 for 4 concert tickets
$43.75/ticket
Identify the domain of the relation: (5, 20), (2, 3), (3, 12), (4, 16)
Domain: {2, 3, 4, 5}
Write as a fraction or mixed number: 0.45
9/20
Evaluate the expression: (-4)^3
-64
Express in scientific notation: 0.000561
5.61 x 10^-5
Simplify: 6 / 2/5
15
Evaluate: |-2| + |-11|
13
Find the product: (-3/7) x (4/9)
-4/21
Write using only positive exponents: m^-5
1/m^5
(4.45 x 10^9)(1.3 x 10^6)
5.785 x 10^15
Noreen can walk 1 1/10 miles in 1/3 hour. Find her average speed in miles per hour.
3 3/10 mph
Evaluate: -4|7(-2) - 5|
-76
Find the product. (3 1/9) / (-1 1/6)
-2 2/3
(2h^7)(6h)
12h^8
(5.85 x 10^5) / (3.9 x 10^-6)
1.5 x 10^11
The cost of dance lessons is $12 for 1 lesson, $22 for 2 lessons, and $32 for 3 lessons. Determine whether the cost is proportional to the number of lessons. Explain.
No - the rate of change is not constant.
What is the value of:
2x + (4z - 13) - 5
if x = 9 and z = 12
48
Paige drinks 1 3/4 glasses of milk each day. At this rate, how may days will it take her to drink a total of 14 glasses?
8 days
(5a^-3)(-6a^4)
-30a
(7.4 x 10^4) + (3.56 x 10^5)
4.3 x 10^5
The number of squirrels is proportional to the number of trees. A graph of the relationship includes the points (0, 0), (3, 9), and (5, 15). Find and interpret the constant of proportionality.
k = 3
There are 3 squirrels for every tree.