Alg2CP - Quadratic Coefficients and Discriminant

Quadratic Coefficients and Discriminant

Algebra 2 CP

Multiple Choice

Is this quadratic in standard form?

 $8x^2-x+2$  

• Yes

• No

Multiple Choice

Is this quadratic in standard form?

 $\left(x+4\right)^2-1$  

• Yes

• No

Multiple Choice

Write this quadratic in standard form

 $7x-3x^2+1$  

•  $3x^2+7x+1$ 

•  $-3x^2+7x+1$   

•  $-3x^2+1+7x$  

Multiple Choice

In the equation x² +5x +7, match each coefficient with its correct letter

• a=0, b=5, c=7

• a=1, b=5, c=7

Multiple Choice

In the equation x²+4=0, match each coefficient with its correct letter.

• a=0 b=4 c=0

• a=1 b=4 c=0

• a=1 b=0 c=4

Multiple Choice

The discriminant of  $x^2+6x+9=0$  is 0. Describe the roots.

• 2 real roots

• 1 real root

• 2 imaginary roots

Multiple Choice

The discriminant of  $x^2+5x=0$  is 25. Describe the roots.

• 2 real roots

• 1 real root

• 2 imaginary roots