ANSWER 3. Evaluate the expression. Warm Up for Lesson x 2 when x = 4 ANSWER 128 ANSWER –1 2.–4 + x when x = 9 √ Find the (1)Axis of Symmetry, (2)the Vertex, (3) y-intercept.
What does the Quadratic Equation tell us? What the 2 Solutions are T HE Q UADRATIC F ORMULA:√ What that 1 Solution is -b b 2 – 4ac x = 2a What the 2 Imaginary Solutions are
Gives the solutions of any quadratic equation in standard form What is the Quadratic Formula? The Axis of Symmetry The Discriminant Formula
-3x
Solve with Quadratic Formula 1.Put Equation into Std. Form (ax 2 + bx + c = 0) 2.Replace a, b & c into the Quad. Eq. 3.Simplify Radical 1.Factors of 32 are 16 and 2 4.Reduce the triangle 1.Divisible by 2 a= 1b= 2c= -7
Solve with Quadratic Formula 1.Put Equation into Std. Form (ax 2 + bx + c = 0) 2.Replace a, b & c into the Quad. Eq. 3.Simplify Radical 1.Can’t simplify 4.Reduce the triangle 1.Can’t reduce-missing 3 rd part of triangle a= 1b= 5c= 3
Solve with Quadratic Formula 1.Put Equation into Std. Form (ax 2 + bx + c = 0) 2.Replace a, b & c into the Quad. Eq. 3.Simplify Radical 4.Reduce the triangle 1.Divisible by 2 a= 3b= -4c= -7