Quadratic Formula
9
Quadratic Formula Thursday April 5, 2012 Objective: I can find solutions to a quadratic function by using the Quadratic Formula.
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Quadratic Formula. Thursday April 5, 2012 Objective: I can find solutions to a quadratic function by using the Quadratic Formula. Quadratic Formula. Quadratic Formula. This formula can be used to solve ANY quadratic equation (find x-intercepts, roots, solutions, and zeros). - PowerPoint PPT Presentation
Transcript of Quadratic Formula
Quadratic Formula
Thursday April 5, 2012
Objective: I can find solutions to a quadratic function by using the Quadratic Formula.
a
acbbx
2
42
Quadratic Formula
Quadratic Formula
This formula can be used to solve ANY quadratic equation (find x-intercepts, roots, solutions, and zeros).
The function must be in standard form
y = ax2 + bx + c
0 = ax2 + bx + c
a, b and c are the coefficients of each term.
a
acbbx
2
42
y = x2 + 3x + 2
a =
b =
c=
a
acbbx
2
42
y = x2 – 5x + 6
a =
b =
c=
a
acbbx
2
42
y = 2x2 – x – 7
a =
b =
c=
a
acbbx
2
42
y = 4x2 – 12x + 9
a =
b =
c=
a
acbbx
2
42
y = 2x2 + 6x + 5
a =
b =
c=
a
acbbx
2
42
Homework
Page 674 3-12