1. equation whose terms contain squares of the variable and no higher powers   cubic   quadratic   quartic   linear   Hint Half-n-half Clue   2. letter that stands for an unknown number   constant   binomial   coefficient   variable   Half-n-half Clue   3. a monomial or a sum of two or more monomials   polynomial   equation   unlike terms   like terms   Half-n-half Clue   4. terms that have different variables or the same variable raised to different powers   like terms   coefficients   unlike terms   inequalities   Half-n-half Clue   5. polynomial that has three unlike terms   trinomial   binomial   inequality   monomial   Half-n-half Clue   6. collection of algebraic terms connected by mathematical symbols   monomial   unlike terms   algebraic expression   like terms   Half-n-half Clue   7. power to which a variable is raised   cube   exponent   square   coefficient   Half-n-half Clue