Find the Discriminant of a Quadratic Equation

The formula
b² - 4ac
is called the

• quadratic formula

• factored form

• vertex formula

• the discriminant

Tags

CCSS.HSA-REI.B.4B

The discriminant finds the

• number of solutions

• x-intercepts

• y-value of vertex

• y-intercept

Tags

CCSS.HSA-REI.B.4B

The discriminant is

• aX²  + bX  +  c

• b - 4ac

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

Determine the value of the discriminant and name the nature of the roots for the following:
x² + 7x + 13
Remember:  b² - 4ac

• 400, 2 real root 

• 0, 1 real root with a multiplicity of 2

• -400, 2 imaginary roots

• -3, 0 real roots

Tags

CCSS.HSA-REI.B.4B

The discriminant is ________.

• ax² + bx + c

• b - 4ac

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

Find the value of the discriminant. (Type # only.)

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

If the discriminant is positive, then the solution will be

• one real solution

• two real solutions

• no real solutions

• one imaginary solution

Tags

CCSS.HSA-REI.B.4B

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B

Find the value of the discriminant. (Type # only.)

Mathematical Equivalence

ON

Tags

CCSS.HSA-REI.B.4B