Solve Quadratic Formula

A function has a discriminant of 25.
______________
How many solutions does it have?

• 0

• 1

• 2

• 5

Tags

CCSS.HSA-REI.B.4B

A function has a discriminant of -3.
______________
How many x-intercepts does it have?

• 0

• 1

• 2

• 3

Tags

CCSS.HSA-REI.B.4B

If the discriminant is zero you will have

• no real solutions

• two real solutions

• 1 real solution

• 1 imaginary solution

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula

6x² + 12x - 1 = 0

• x = 0.08, -2.08

• x = -0.08, 2.08

• x = -0.08, -1.91

• x = 0.08, 1.19

Tags

CCSS.HSA-REI.B.4B

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

Identify the values of A, B, and C

10p² + 7p - 20 = 0

• A=1, B=7, C=-20

• A=10, B=7, C=20

• A=10, B=-7, C=-20

• A=10, B=7, C=-20

What does the discriminant determine?

• Whether the graph goes up or down

• The vertex

• The number of Solutions

• The y-intercept

Tags

CCSS.HSA-REI.B.4B

What is the discriminant in the Quadratic Formula?

• -b + 4ac

• b - 4ac

• -b² - 4ac

• b² - 4ac

Tags

CCSS.HSA-REI.B.4B

If the discriminant is positive, how many solutions does the graph have?

• 2

• 1

• 0

Tags

CCSS.HSA-REI.B.4B