| What to create | Quiz |
| Which subject | Mathematics |
| What age group | Year or Grade 7 |
| What topic | Algebra |
| Question types | Open-ended |
| Number of questions | 5 |
| Number of answers | 4 |
| Correct answers | Exactly 1 |
| Show correct answers | |
| Use images (descriptions) | |
| Any other preferences |
A variable in algebra is a symbol or letter that represents an unknown quantity or value.
An expression is a mathematical phrase with numbers, variables, and operators, while an equation is a mathematical statement that shows that two expressions are equal.
x = 7
7x + 4
y = 2x + 4