Quadratic Formula

Quadratic Formula

MODULE 2: WEEK 1

​Quadratic Function

​Standard Form:

MODULE 2: WEEK 1

​Quadratic Function

Quadratic Formula:

MODULE 2: WEEK 1

Multiple Choice

Translate the Standard Form to Quadratic Formula:

$$3x^2-7x-6$$  

• $$x=\frac{7\pm\sqrt[]{-7^2-4\left(3\right)\left(-6\right)}}{2\left(3\right)}$$  

• $$x=\frac{-7\pm\sqrt[]{-7^2-4\left(3\right)\left(6\right)}}{2\left(3\right)}$$  

Quadratic Function

​The Discriminant

MODULE 2: WEEK 1

​The Discriminant

MODULE 2: WEEK 1

Multiple Choice

Determine the number and type of solutions:

$$3x^2-7x-6$$  

•  One Real Solution

•  Two Real Solutions

• Two Complex but not Rreal Solutions

Multiple Choice

Determine the number and type of solutions:

$$4x^2-8x+5$$  

•  One Real Solution

•  Two Real Solutions

• Two Complex but not Rreal Solutions

Quadratic Function

​Writing Equations From Solutions

• Find the equation for which the values are solutions.

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MODULE 2: WEEK 1

Quadratic Function

​Writing Equations From Solutions

• Find the equation for which the values are solutions.

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MODULE 2: WEEK 1

​Writing Equations From Solutions

Multiple Choice

Find an equation for which $$x=-12\ or\ x\ =9$$  are solutions. 

• $$2x^2+6x-225$$  

• $$2x^2+6x-216$$