Intro to Quadratics

What is the green dot on the parabola called?

• vertex
• x- intercepts

• axis of symmetry

• parabola

Tags

CCSS.HSF-IF.C.7A

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

Tags

CCSS.HSF-IF.C.7A

Which of the following represents the standard form of the quadratic function?

• y = a(x-p)(x-q)

• y = a(x - h)²

• y = ax² + bx + c

• y = a(x - h)² + k

Which of the following represents the vertex form of the quadratic function?

• y = a(x-p)(x-q)

• y = a(x - h)²

• y = ax² + bx + c

• y = a(x - h)² + k

What is the formula to find the axis of symmetry of a parabola?

• x = 2a

• x = -b
• x = -b/2a

• x = -2a/ b

What is the y-intercept of this function?

• (5, 0)

• (-4, -3)

• (0, 5)

• (-5, 0)

Tags

CCSS.HSF-IF.C.7A

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

Write your answer as a point (x,y)

The axis of symmetry line passes through which point?

The graph of a quadratic function is called

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