Discriminant and Quadratic Formula Practice

Identify a, b, and c in: x²−6x+14

• 3,5,9

• 1,-6,14

• 1,-6,-14

• 1,6,14

Solve using the quadratic formula. m^2-5m-14=0

• x = 7 and -2

• x = 7 and 2

• x = -7 and -2

• x = -7 and 2

Tags

CCSS.HSA-REI.B.4B

Solve using the quadratic formula :

x² - 7x + 12 = 0

• x = 3, -4

• x = -3, 4

• x = 3, 4

• x = -3, -4

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:
x² + 4x + 3 = 0

• x = 1 and x = 3

• x = 6 and x = -2

• x = -1 and x = -3

Tags

CCSS.HSA-REI.B.4B

Solve using the quadratic formula. This one will have an irrational (square root) answer.

9x² = 4 + 7x

• 
• 
• 
• No solution

Tags

CCSS.HSA-REI.B.4B

• Square root

• Quadratic formula

• X-intercepts

• Discriminant 

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

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

• 0

• 1

• 2

• 3

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Use the quadratic formula to solve 2x² + 2x - 12=0?

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Tags

CCSS.HSA-REI.B.4B

What is the discriminant of 6x² − 2x − 3 = 0

• 76

• 29

• 68

• none of these

Tags

CCSS.HSA-REI.B.4B