EOC Review Quadratics and Stats

What are the roots/zeros of the equation based upon the graph?

• 0 and 3
• 2 and -1
• 0 and 4
• 1 and 3

What are the x-intercepts for the function
f(x) = (x + 4)(x - 7)?

• x = -4, -7
• x=-4, 7
• x = 4, 7
• x = 4, -7

Tags

CCSS.HSF-IF.C.7C

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

What is the standard form of a quadratic equation?

• y=x²

• y=ax²+bx+c

• y=(x+h)²+k

• y= (x+a)(x+b)

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Tags

CCSS.HSF-IF.C.7A

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form

Tags

CCSS.HSF-IF.C.7A

The function f(t) = -5t²+20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit the ground? 

• 2 seconds
• -2 seconds
• -6 seconds
• 6 seconds

If the quadratic has a positive 'a' coefficient, what direction does the parabola open?

• Up
• Down
• left
• right

Tags

CCSS.HSF-IF.C.7A

Which quadratic function is shown in the accompanying graph? 

• f(x) = x² + 2x - 2
• f(x) = x² - 4x + 3
• f(x) = -x² + 4x - 3
• f(x) = -x² - 2x + 2

Tags

CCSS.HSF-IF.C.7A

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

• 2
• -2
• 1
• -1

Tags

CCSS.HSF-IF.C.7A