Definition of Trinomial
Examples of Trinomial
Solved Example on Trinomial
What term should be added to the expression x2 + 8x, to make it a perfect square trinomial?
Correct Answer: C
Step 1:x2 + 8x [Original expression.]
Step 2: To complete the square of the expression x2 + bx, add the square of half the coefficient of x, that is, add .
Step 3: The coefficient b = 8, so add = = 16, to the expression.
Step 4: x2 + 8x + 42 = x2 + 8x + 16 = (x + 4)2.
Step 5: 16 should be added to the expression, x2 + 8x, to create a perfect square trinomial.
Related Terms for Trinomial