Quadratics in Standard form

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

• parabola
• vertex
• graph
• point

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

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

What is the vertex of the graph?

Which of the following is the equation for the axis of symmetry?

• a

• b

• c

• idk

Tags

CCSS.HSF-IF.C.7A

Find the axis of symmetry for

f(x) = x²- 4x + 5.

• x = -2

• x = 2

• y = 2

• y = -2

• y= 2x +1

Answer explanation

What is the y-intercept?
f(x) = -2x² + 4x - 6

• (0, 6)
• (0, -6)
• (6, 0)
• (-6, 0)

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry?
f(x) = x² - 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

What is the vertex?
f(x) = -x² - 4x + 12.

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

What is the axis of symmetry of this parabola?

• -4

• x = -4

• x = -2

• y = -4

Tags

CCSS.HSF-IF.C.7A