Solutions Using Quadratic Formula

If the discriminant equals 0, then the quadratic has:

• 1 Solution

• 2 Real Solutions

• No solutions

• 2 Imaginary Solutions

• 1 Real Solution, and an Imaginary Solution named Harvey.

Tags

CCSS.HSA-REI.B.4B

If the discriminant is negative, you will have....

• two real solutions

• two irrational solutions

• two imaginary solutions

• one solution

Tags

CCSS.HSA-REI.B.4B

The formula to determine how many solutions a quadratic equation is called the discriminant which is...

• aX² + bX + c

• b - 4ac

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

Solve

16a² - 9 = 0

• a = ^-3/₄, ³/₄

• a = ^-4/₃, ⁴/₃

• a = ^-9/₁₆, ⁹/₁₆

• a = ^-16/₉, ¹⁶/₉

• No Real Solutions, they are imaginary

Tags

CCSS.HSA-REI.B.4B

​Complete the quadratic formula

Black question mark ​ (a)  

Blue question mark ​ (b)  

Red question mark ​ (c)  

Tags

CCSS.HSA-REI.B.4B

j

h

d

b^2+4ac

a^2

-b^2-4ac

4ac-b^2

b^2-4ac

b^2

-2a

b

-b

2a

Tags

CCSS.HSA-REI.B.4B

What are the solutions to the following equation: 3x²-2x-5=0

• x=1 and x=3

• x=2 and x-5

• x=-1 and x=5/3

• No solutions

Tags

CCSS.HSA-REI.B.4B

Fill in quadratic formula

j

h

d

b^2

2a

b^2-4ac

b^2+4ac

a^2

-2a

-b^2-4ac

4ac-b^2

b

-b

Tags

CCSS.HSA-REI.B.4B

What is the correct solution to x² - 12x + 4 = 20?

• x = 12.48, -0.48

• x = 1.2, -13.2

• x = -1.2, 13.2

• x = -12.48, 1.48

Tags

CCSS.HSA-REI.B.4B