A monomial contains one term, a binomial contains two terms, and a polynomial contains more than two terms.

A rectangle is a parallelogram containing four right angles. Opposite sides (a = c, b = d) are equal and the perimeter is the sum of the lengths of all sides (a + b + c + d) or, comonly, 2 x length x width. The area of a rectangle is length x width. A square is a rectangle with four equal length sides. The perimeter of a square is 4 x length of one side (4s) and the area is the length of one side squared (s²).

To solve this equation, repeatedly do the same thing to both sides of the equation until the variable is isolated on one side of the < sign and the answer on the other.

-3c + 2 < \( \frac{c}{-7} \)
-7 x (-3c + 2) < c
(-7 x -3c) + (-7 x 2) < c
21c - 14 < c
21c - 14 - c < 0
21c - c < 14
20c < 14
c < \( \frac{14}{20} \)
c < \(\frac{7}{10}\)

To solve this equation, repeatedly do the same thing to both sides of the equation until the variable is isolated on one side of the < sign and the answer on the other.

-9y - 7 < -4 - 5y
-9y < -4 - 5y + 7
-9y + 5y < -4 + 7
-4y < 3
y < \( \frac{3}{-4} \)
y < -\(\frac{3}{4}\)

To combine like terms, add or subtract the coefficients (the numbers that come before the variables) of terms that have the same variable raised to the same exponent.

6a⁸ + 9a⁸ = 15a⁸