quiz 21, 10.1 - 10.9 Flashcards
1
Q
Twice a certain number is 44. What is the number?
A
2n = 44 n = 22
2
Q
The sum of a certain number and 8 is 23. What is the number?
A
n + 8 = 23
n = 15
3
Q
Three less than 2 times a number is 5. What is the number?
A
2n - 3 = 5
2n = 8
n = 4
4
Q
A = 3x
find the value if x = 2
A
A = 6
5
Q
A = 3x
find the value if x = 8
A
A = 24
6
Q
A = 3x
find the value if x = 1/3
A
A = 1
7
Q
Which is greater: -3 or 1
A
1
8
Q
Which is greater: 0 or -4
A
0
9
Q
Which is greater: -6 or -60
A
-6
10
Q
Write the absolute value of -5.
A
5
11
Q
Solve 4x = 16
A
x = 4
12
Q
Express the product of m and n algebraically.
A
mn
13
Q
Write the value of -3 plus 3.
A
0
