Zeros of Quadratics

What is the number of zeros for the following function:

 $f\left(x\right)=2\left(x-3\right)^2-5$  

• 0

• 1

• 2

• 3

The following quadratic has how many zeros?

• 0

• 1

• 2

• 3

What is the number of zeros for the following function:

 $f\left(x\right)=-\left(x+7\right)^2$  

• 0

• 1

• 2

• 3

The following quadratic has how many zeros?

• 0

• 1

• 2

• 3

What is the number of zeros for the following function:

 $f\left(x\right)=-4\left(x+1\right)^2+3$  

• 0

• 1

• 2

• 3

What is the value of the discriminant for the following function?

 $f\left(x\right)=3x^2-5x-6$  

• 72

• -47

• 25

• 6.86

Calculate the determinant of the following function:

 $f\left(x\right)=\left(x-4\right)\left(x+3\right)$  

• -47

• 49

• 7

• -12

Using the discriminant, determine the number of zeros of the following function

 $f\left(x\right)=5x^2+7x+12$  

• 0

• 1

• 2

• 3

A function in factored form will have 2 zeros.

• True

• False

The inverse of a quadratic has how many zeros?

• 0

• 1

• 2

• Depends on the original quadratic