Algebraic Expressions & Equations

Algebraic Expressions & Equations Worksheet-4

1. n cubed can be written as _____.

        A. n²                    B. n³                    C. n × 3              D. n + 3 + 3 + 3

2. Product of a number n, and 7 is 21. How do you write this as an equation?

A. 7 × n = 21     B. 21 × n = 7     C. n + 7 = 21     D. 7 = 21/n

An algebraic expression is an expression that is built up from integer constants, variables, and mathematical operations like; addition, subtraction, multiplication, division and exponentiation by an exponent that is a rational number.

Algebraic Expressions & Equations Worksheet-5

11. What is the variable in the expression shown below?

y + 10 − 3

A. y                      B. 10                             C. y + 10             D. 3