Online Test — Algebraic Expressions
10 Questions • 30 min • Chapter MCQ
30:00
Question 1 of 10
easy
Write expression: "5 more than a number"
5n
n+5
5-n
n-5
Explanation: "More than" means add
Question 2 of 10
easy
Write expression: "twice a number minus 3"
2n-3
3-2n
2(n-3)
2n+3
Explanation: Twice = 2×, minus 3 = -3
Question 3 of 10
easy
Evaluate: 3x + 4 when x=5
15
19
20
23
Explanation: 3(5)+4=15+4=19
Question 4 of 10
easy
Combine: 4a + 7a
11a
11a²
28a
4a+7a
Explanation: 4+7=11, keep a
Question 5 of 10
medium
Write: "7 less than a number"
7-n
n-7
7n
n/7
Explanation: "Less than" reverses order
Question 6 of 10
medium
Evaluate: 2x+3y when x=4, y=2
10
14
18
22
Explanation: 2(4)+3(2)=8+6=14
Question 7 of 10
medium
Combine: 5x + 3 - 2x + 7
3x+10
7x+10
3x+4
7x+4
Explanation: 5x-2x=3x, 3+7=10
Question 8 of 10
medium
Write: "the product of 8 and a number"
8+n
8-n
8n
8/n
Explanation: Product = multiply
Question 9 of 10
medium
Evaluate: 4(x-2) when x=9
28
36
24
32
Explanation: 4(9-2)=4(7)=28
Question 10 of 10
medium
Combine: 6a + 2b - 3a + 5b
3a+7b
9a+7b
3a+3b
9a+3b
Explanation: 6a-3a=3a, 2b+5b=7b