MATH 1001
College Algebra Name Homework # 3 ( 3.1 & 3.2 ) Hugo Doctor Due: October 2, 2019 at the beginning of class GENERAL DIRECTIONS: All work must be
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College Algebra
Name
Homework # 3 ( 3.1 & 3.2 )
Hugo Doctor
Due: October 2, 2019 at the beginning of class
GENERAL DIRECTIONS:
All work must be shown.
Partial credit will be given as warranted.
A scale must be shown on each axis of each graph.
(12) 1.
For the function: y = -2x2 + 12x - 10
To
Does the function open upward / downward ? downward
Write the y-intercept as an ordered pair.
Use quadratic formula to determine the x-intercepts and write as an
ordered pairs.
Write the function in vertex form by completing the square.
Write the vertex as an ordered pair.
Write the axis of symmetry.
Sketch the function. Label the vertex and intercepts on the graph.

20191001_213044.jpg

900
(12)
For the function: y = (x - 3)2 - 4
a)
Does the function open upward/downward?
b )
Write the function in standard form.
C )
Write the y-intercept as an ordered pair.
d)
Use the square root method to determine the x-intercepts and write as
an ordered pairs.
e)
Write the vertex as an ordered pair.
f)
Write the axis of symmetry.
g)
Sketch the function. Label the vertex and intercepts on the graph.

20191001_213051.jpg

(12) 3.
For the function: y = 2x2 - 4x
a)
Does the function open upward/downward?
b)
Write the y-intercept as an ordered pair.
C)
Use factoring to determine the x-intercepts and write as an ordered
pairs.
d)
Write the vertex as an ordered pair using the vertex formula.
e)
Write the function in vertex form.
f )
Write the axis of symmetry.
B )
Sketch the function. Label the vertex and intercepts on the graph.

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