QUADRATICS

What is the vertex of this quadratic equation?

• (-2,4)

• (2,4)

• (4,-2)

• (-4,-2)

Identify the vertex

• (-1,-9)
• (0,-8)
• (-4,0)
• (0,0)

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry for this graph?

• y=2
• x=2
• x=0
• y=0

Tags

CCSS.HSF-IF.C.7A

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

• a
• b
• c

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

• up
• down
• left
• right

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-8
• x=1
• x=-1
• x=2

If given the equation y = 3(x + 5)² - 4, what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

What is the vertex of the parabola: y=2(x-3)²+4

• (3,4)
• (-3,4)
• (3, -4)
• (-3,-4)

Given: 1/2(x + 4) - 5, the equation of the axis of symmetry is

• y = 4
• x = -4
• x = 4
• x = -5