Polynomials
Answers are for parents and teachers.
1
Write the difference of the squares of a and b and name the polynomial.
a² - b² is a binomial.
2
Find the value of 4x - x² at x = -3.
-21
3
List the terms of 4pq² - 7p²q + 2pq.
4pq², -7p²q, 2pq
4
A square of side c was cut out of a square of side a. Write the remaining area as an expression.
a² - c²