#005 - 4.8 - Forms of Quadratic Equations

Which of the following is the Factored Form of a quadratic function?

• f(x) = mx + b

• f(x) = ax² + bx + c

• f(x) = a(x - m)(x - n)

• f(x) = a(x - h)² + k

What are the x-intercepts of the parabola?

y = -3(x + 5)(x - 9)

• (-5, 0) and (9, 0)

• (5,0) and (-9, 0)

• (5, 0) and (9, 0)

• (-3, 0) and (5, 0)and (-9, 0)

Tags

CCSS.HSF-IF.C.7A

What is the vertex of the following equation?

f(x)=4(x-2)² + 3

• (-2, 3)
• (2,-3)
• (4,3)
• (2,3)

Does the parabola
f(x)=4(x-2)² + 3
open up or down?

• up
• down

Tags

CCSS.HSF-IF.C.7A

Which equation has a vertex of (-3, 4)?

• y = 2(x+3)² + 4
• y = (x+3)² - 4
• y = (x-3)² + 4
• y = 2(x - 3)² + 4

Which equation is the standard form of a quadratic function?

• f(x) = mx + b

• f(x) = a(x - m)(x - n)

• f(x) = ax² + bx + c

• f(x) = a(x - h)² + k

Which form is the equation
y = -3(x-5)²+7 in?

• Standard
• Vertex
• Factored
• None of These

In factored form you can see the ______ of the graph easily.

• y-intercept

• vertex

• x-intercepts

Tags

CCSS.HSF-IF.C.7A

In vertex form you can see the ______ of the graph easily.

• vertex

• y-intercept

• x-intercepts

What can you find easily using the standard form of a quadratic equation?

• The vertex

• The x-intercepts

• The y-intercept

• The axis of symmetry

Tags

CCSS.HSF-IF.C.7A