Quadratic formula

Identify the 'a' value:
 y = 16x² - 8x - 24

• 16
• 8
• -8
• -24

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.1

Identify the 'b' value:
 y = 16x² - 8x - 24

• 16
• -8
• 8
• -24

What's the axis of symmetry of y=3x²- 6x + 4

• x=1
• x=-6
• x=2
• x=-1

Does the equation open or or down? 
Y = -3x² + 7x - 2

• up
• down

If the graph of a quadratic does not intercept the x-axis at any point, then it has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solution

What is the name of the imaginary line that cuts a parabola in half and goes through the vertex?

• the middle
• axis of symmetry
• minimum
• standard form

Which expression gives the solutions of -5 + 2x² = -6x?

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

Identify the 'c' value:
 y = 16x² - 8x - 24

• 16
• -8
• 24
• -24

Tags

CCSS.HSA.REI.B.4

4ac would equal:
 y = 2x² - x - 3

• -12
• 8
• -24
• -1

The discriminant is

• ax²  + bx  +  c
• b - 4ac
• b² - 4ac
• b² + 4ac

Tags

CCSS.HSA-REI.B.4B