Before you watch this video you may want to review these terms:
Polynomials - sums of variable and exponent expressions.
Quadratic Equation- a polynomial equation of the second degree. ax2 + bx + c
Variables- any entity that can take on different values. Usually represented by a letter.
Coefficients- a multiplicative factor in some term of an expression (or of a series). It is usually a number.
The exciting gameshow where contestants solve polynomials using factoring and the quadratic formula!
The steps Samsam took to correctly answer the final question!
1.) y= x2 + 4x + 4
2.) y= -10x2 - 9x + 1
3.) y= -9x2 - 9x + 6
** Be sure to try these yourself before looking at the answers in the next section**
1.) x = -2
2.) x = -1 and x = 1/10
3.) x = (3±sqrt(33))/ -6