Line of Symmetry, Vertex, Quadratic Equations

The axis of symmetry line passes through which point?

• y-intercept

• any random point

• vertex

• none of these

Where is the axis of symmetry for this parabola?

• x = −1

• x = 0

• y = 3

• x = −3

Tags

CCSS.HSF-IF.C.7A

The coefficient of x^2, the 'a' value of this quadratic, is negative or positive?

• a < 0

• a > 0

Tags

CCSS.HSF-IF.C.7A

A parabola has a vertex at (-3,2).

What is the axis of symmetry?

• y = -2

• x = 3

• x = -3

• y = 2

Find the vertex and axis of symmetry of the following quadratic function : f(x)= 3(x+3)² - 5

• vertex (3,5) axis of symmetry x = 3

• vertex (-3,5) axis of symmetry x = -3

• vertex (-3,-5) axis of symmetry x = -3

• vertex (3,-5) axis of symmetry x = 3

For the given graph, find

Vertex = ​ (a)  

Axis (line) of symmetry ​ (b)  

• x=-4

• (-3,-1)

• (3, -1)

• x=-3

• x=3

• (-4, -2)

Tags

CCSS.HSF-IF.C.7A

• A

• B

• C

• D

The vertex of the parabola is at ​ (a)   . This means there is a ​ (b)   value at ​ (c)  

• (1,5)

• Maximum

• y = 5

• (5, 1)

• Minimum

• y = 1

• (0, 4)

Sofia and James are solving a math puzzle. Can you help them find the line of symmetry for the following quadratic function?

y =1/2(x-4)²+3

• x = 4

• x = -4

• x = 1/2

• x = 3

What is the vertex and axis of symmetry of                 y = -2(x - 3)² + 2 ?

• Vertex (3, 2) A.o.S: x = 3

• Vertex (-3, 2) A.o.S: x = -3

• Vertex (3, -2) A.o.S: x = 3

• Vertex (-3, -2) A.o.S: x = -3