A B C of Quadratics

Which letter determines if a parabola opens up or down?

• a
• b
• c

Tags

CCSS.HSF-IF.C.7A

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

Which letter in a quadratic formula represents the y-intercept?

• a
• b
• c

Tags

CCSS.HSF-IF.C.7A

If the a value is negative, which direction does the parabola open?

• up
• down
• left
• right

Tags

CCSS.HSF-IF.C.7A

The equation for the axis of symmetry line is x = -b/(2a)

• true
• false

If the a value is positive, which direction does the graph open?

• up
• down
• left
• right

Tags

CCSS.HSF-IF.C.7A

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

• up
• down

Tags

CCSS.HSF-IF.C.7A

What is the vertex?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

Find the axis of symmetry for
f(x) = x²- 8x + 15.
Use ^-b/_2a

• x = -4
• x = 4
• y = 4
• y = -4

What is the domain of the function?

• D:{ x > 3}
• D:{x < 3}
• D:{all real numbers}
• D:{ -1 < x < 5}

Tags

CCSS.5.OA.B.3