Sets
The elements of the set
{x| x is a whole number between 1 and 6}
What are ...
{2, 3, 4, 5}
Evaluate ...
x + 3 = 4
What is ...
x = 1 ?
Distribute ...
4(n + 5)
What is ...
4n + 20 ?
Write the equations ...
Eighteen more than twice a number is 8.
What is ...
18 + 2n = 8 ?
Evaluate ...
4.4 + x = 39.33
What is ...
x = 34.93 ?
The elements of the set
{x| x is an integer between -3 and 5}
What are ...
{-2, -1, 0, 1, 2, 3, 4}
Evaluate ...
4x = 16
What is ...
x = 4 ?
Distribute ...
12(2y - 3)
What is ...
24y - 36 ?
Write the equations ...
The product of a number and 9, less 20 is 7.
What is ...
9n - 20 = 7 ?
Evaluate ...
x - 8.2 = 39.76
What is ...
x = 47.96 ?
The elements of the set that are whole numbers
{3, 0, sqrt7, sqrt36, 2/5, -134}
What are ...
{3, 0, sqrt36}
Evaluate ...
x/11 = 12
What is ...
x = 132 ?
Distribute ...
18(5 - 3w)
What is ...
90 - 54w ?
Write the equations ...
There are 48 soccer teams in the RayPec Association. This is three less than three times the number of teams in the Belton Association.
What is ...
48 = 3n - 3 ?
Evaluate ...
3.22x + 3.3 = 9.74
What is ...
x = 2 ?
True or False
1/2 is an irrational number
False
Evaluate ...
x - 7 = 3
What is ...
x = 10 ?
Distribute ...
8(5g + 5 - 2)
What is ...
40g + 24 ?
Write the equations ...
Eileen swam for 85 minutes. This is 21 more minutes than 4 times the number of minutes Ethan swam.
What is ...
4n + 21 = 85 ?
Evaluate ...
0.5x + 6.3 = 8.2
What is ...
x = 3.8 ?
True or False
R in N
False
Evaluate ...
3x - 7 - 2x = 14
What is ...
x = 21 ?
Distribute ...
13(n + 4 + 7m)
What is ...
13n + 52 + 91m ?
Write the equations, and evaluate ...
Suppose you buy 3 same-priced t-shirts and a hat. The hat cost $21 and you spent $60 in all. How much is each t-shirt?
what is ...
3t + 21 = 60 ; t = 13?
Evaluate ...
5.7 + 2x = 77.35
What is ...
x = 35.825 ?