Graphing Quadratics in Root Form Practice

Identify the 'b' value: y = 16x² -8x -24

• 16
• -8
• 8
• -24

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum
• opens up with a minimum
• opens down with a maximum
• opens down with a minimum 

Tags

CCSS.HSF-IF.C.7A

Is this a max or min?

• max
• min
• cannot be determined

What is the axis of symmetry of: y=2x²-4x+9

• x = 1
• x = -1
• x = -2
• x = 4

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.HSF-IF.C.7A

The standard form of a quadratic function is

• ax² + bx + c
• a(x - h)² + k
• y - y₁ = m(x - x₁)
• ax + by = c

What do we call the highest or lowest point of a quadratic?

• parabola
• vertex
• graph
• point

What is the vertex of the following quadratic function
f(x) = 1∕2(x - 2)² + 5

• (-2, -5)
• (2, 5)
• (-2, 5)
• (2, -5)

What is vertex form of a quadratic function

• ax² + bx + c
• a(x - h)² + k
• y - y₁ = m(x - x₁)
• Ax + By = C

What is the y-intercept of the following funtion

f(x) = -2x² +3x - 7

• (0, -2)

• (0, 3)

• (0, -7)

• (0, 7)

Tags

CCSS.HSF-IF.C.7A