Graphing Quadratics from Standard Form

What is the vertex of y=x²+4x+3?

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

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

• x = -4

• x = 4

• y = 4

• y = -4

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

• parabola

• vertex

• graph

• point

What is the vertex?

• (2, 4)

• (3, -1)

• (0, 8)

• (4, 2)

Determine the axis of symmetry for the following equation.

What is the y-intercept?

• (-1, 3)

• (0, 5)

• (1, 11)

• (-2, 5)

Tags

CCSS.HSF-IF.C.7A

How can you tell whether a parabola faces up or faces down by looking at the equation?

• The vertex tells you the direction of the opening.

• All parabolas open upward

• The value of the "a" tells you the direction of the opening.

• All parabolas open downward.

Tags

CCSS.HSF-IF.C.7A

Which best describes the vertex of a parabola?

• Any point on the parabola.

• The highest or lowest point on the parabola.

• Any point on the x-axis.

• Any point on the y-axis.

Which of the following could most likely be y = 5x² + 1?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7A