2.6.3Practice:Quadratic FunctionsPractice
Precalculus Sem 1
Points Possible:50
Name:Pixuan Shen
Date:7/8/2020
Answer the following questions using what you've learned from this unit. Write your responses
in the space provided.
1. A function that can be written in the form , where is called a
function. Its graph is a shape called a . (1 point)
Parabola
2. List the important features for the graph of a quadratic function. (1 point)
Zeros/x-intercepts, y-intercept, the axis of symmetry, and vertex.
3. Write each form of the quadratic function. (3 points)
Standard form:
y=ax^2+bx+c
Vertex form:
y=a(x-h)^2+k
Intercept form:
y=a(x-p)(x-q)
4. List the intercepts, vertex, and axis of symmetry for each quadratic function whose graph
is shown. (2 points)
, a.
Intercepts:
intercepts= -3, 1
Vertex:
vertex= (-1,-4)
Axis of symmetry:
aos= x=-1
b.
Precalculus Sem 1
Points Possible:50
Name:Pixuan Shen
Date:7/8/2020
Answer the following questions using what you've learned from this unit. Write your responses
in the space provided.
1. A function that can be written in the form , where is called a
function. Its graph is a shape called a . (1 point)
Parabola
2. List the important features for the graph of a quadratic function. (1 point)
Zeros/x-intercepts, y-intercept, the axis of symmetry, and vertex.
3. Write each form of the quadratic function. (3 points)
Standard form:
y=ax^2+bx+c
Vertex form:
y=a(x-h)^2+k
Intercept form:
y=a(x-p)(x-q)
4. List the intercepts, vertex, and axis of symmetry for each quadratic function whose graph
is shown. (2 points)
, a.
Intercepts:
intercepts= -3, 1
Vertex:
vertex= (-1,-4)
Axis of symmetry:
aos= x=-1
b.
