SOLVING QUADRATIC EQUATIONS BY COMPLETING THE SQUARE
OBJECTIVES: Express square of trinomials as a square of binomials; and Solve quadratic equations by completing the square.
PERFECT SQUARE OF TRINOMIAL= SQUARE OF B INOMIAL and
COMPLETING THE SQUARE To complete the square of the expression add the square of half the coefficient of to make
Complete the square.
Complete the square.
Express each of the following perfect square trinomials as a square of a binomial.
25 Add 25 to both sides of the equation Express the PST on the left side of the equation as square of binomial. Solve the resulting QE by extracting the square root. Solve each equation.
Add to both sides of the equation Express the PST on the left side of the equation as square of binomial. Solve the resulting QE by extracting the square root.
Solve each equation.
Add to both sides of the equation Express the PST on the left side of the equation as square of binomial. Solve the resulting QE by extracting the square root.
Solve each equation.
Add to both sides of the equation Express the PST on the left side of the equation as square of binomial. Solve the resulting QE by extracting the square root. Divide the terms by 2.