Graphing Quadratics

What is the green dot on the parabola called?

• maximum

• minumum

• roots

• zeros

Find the y-intercept of f(x) = 2x² - 2x + 1

• 2

• -2

• 1

• -1

Does y = -4x² -7x+28 have a maximum or minimum value?

• maximum

• minimum

What is the vertex of the quadratic function:

y = x² - 6x + 11?

• (3,2)

• (-3,-2)

• (-3,2)

• (3,-2)

Determine the vertex of the parabola:
y = 5x² - 20x + 13

• (5, -7)
• (-2, -7)
• (2, -7)
• (-7, -2)

Tags

CCSS.HSA.REI.B.4

What is the formula to find the vertex of a parabola?

• x = -b/2

• x = -b

• x = -b / (2a)

• x = -b / 2

The axis of symmetry line passes through which point?

• y-intercept

• any random point

• vertex

• none of these

What is the axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Does y= -3x²+2x-6 open up or down?

• up

• down

The standard form of a quadratic function is

• ax² + bx + c

• a(x - h)² + k

• y - y₁ = m(x - x₁)

• Ax + By = C