Question

Choose the option that has unlike terms.

• A. $9xz,20zx,-7zx$
• B. $9xz,96xz,-458xz$
• C. $9xz,-7xz,7xz$
• D. $9xz,-7xyz$ and $96x$

Answer 1

The correct option is D $9xz,-7xyz$ and $96x$

Unlike terms are terms which contain the different variables or same variables but raised to different power.

Among the given options, $9xz,-7xyz$ and $96x$ are unlike terms as the varibales involved in these terms are not all same.