POLYNOMIALS AND
POLYNOMIAL FUNCTIONS
Ch. 5.3
Solving Polynomial
Equations
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.
BELL WORK
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY FACTORING.
REVIEW
Factoring using the long method
2x2 – 5x – 3
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.
REVIEW
 What are the zeros of the
function x(x-5)(x+5)?
Graph the function.
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.
SOLVING POLYNOMIAL EQUATIONS USING
FACTORS
What are the real or imaginary solutions of each
polynomial equation?
2x3 – 5x2 = 3x
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.
SOLVING POLYNOMIAL EQUATIONS USING
FACTORS
What are the real or imaginary solutions of each polynomial equation?
3x4 + 12x2 = 6x3
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.
SOLVING POLYNOMIAL EQUATIONS USING
FACTORS
What are the real or imaginary solutions of each polynomial equation?
(x2 – 1)(x2 + 4) = 0
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.
SOLVING POLYNOMIAL EQUATIONS BY
FACTORING
What are the real or imaginary solutions of each polynomial equation?
X3 + 64 = 0
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.
SOLVING POLYNOMIAL EQUATIONS BY
FACTORING
What are the real or imaginary solutions of each polynomial equation?
X3 + 2x2 + 5x + 10
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.
SOLVING POLYNOMIAL EQUATIONS BY
FACTORING
What are the real or imaginary solutions of each polynomial equation?
X3 = 1
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.
SOLVING POLYNOMIAL EQUATIONS BY
FACTORING
Now you try
What are the real or imaginary solutions of each polynomial equation?
X4 = 16
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.
SOLVING POLYNOMIAL EQUATIONS BY
FACTORING
Now you try
6x2 + 13x - 5
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.
SOLVING POLYNOMIAL EQUATIONS BY
FACTORING
Now you try…
What are the real or imaginary solutions of each polynomial equation?
X3 = 8x – 2x2
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.
EXIT TICKET
Which method of solving polynomial equations will not identify the
imaginary roots? Explain.
EQ: HOW DO YOU SOLVE POLYNOMIAL EQUATIONS BY FACTORING? I WILL SOLVE POLYNOMIAL EQUATIONS BY
FACTORING.