Lesson 8.4 and 8.5 quiz

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

What does a quadratic in VERTEX form look like?

• x = 2

• x = -2

• x = 4

• x = -4

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSF-IF.C.7A

What is the vertex for f(x) = 4 (x - 2)² + 3

• (-2 , 3)

• (2, -3)

• (4, 3)

• (2, 3)

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A

Which equation is the intercept form of a quadratic function?

• f(x) = mx + b

• f(x) = a(x - p)(x -q)

• f(x) = ax² + bx + c

• f(x) = a(x - h)² + k

What are the x-intercepts of the parabola?

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

• -5 and 9

• 5 and -9

• -3 and 5

• -3 and -9

Tags

CCSS.HSF-IF.C.7A

What is the vertex for:

g(x) = (x + 8)(x + 2)

• (9, 5)

• (-5, -9)

• (8, 2)

• (-8, -2)

• -13 and -4

• -13 and 4

• 13 and 4

• 13 and -4

Tags

CCSS.HSA-REI.B.4B