Quadratics Mini Quiz

What is the equation for this parabola in factored form?

• y=(x+2)(x-1)
• y=(x-2)(x+1)
• y=(x-2)(x-1)
• y=(x+2)(x+1)

What is the factored quadratic equation in the following graph?

• ( x+ 2)(x + 6) = y
• x² - 8x + 12 = y
• (x - 2)(x - 6) = y
• (x - 4)(x + 4) = y

Which of the following equations matches standard form of a quadratic?

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b

What is the green dashed line called?

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

What is the green dot on the parabola called?

• vertex
• root
• dot

What direction does the graph open?

 $y=x^2$  

• up

• down

What direction does the graph open?
 $y=\ -x^2$  

• up 

• down

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

• (3,4)

• (-3,4)

• (3, -4)

• (-3,-4)

Which equation has a vertex of (-5, -4)?

• y = (x+5)^{2 -} 4

• y = (x-5)^{2 -} 4

• y = (x+5)² + 4

• y = (x-5)² - 4

Review: What are the vertex and axis of symmetry for the given graph?

• Vertex (1, -4) Axis of Symmetry: x=1

• Vertex (1, -4) Axis of Symmetry x = -4

• Vertex (-4, 1) Axis of Symmetry x=-4

• Vertex (-4, 1) Axis of Symmetry x = 1