AnswersEAP-Algebra Functions and Data Analysis A CRCumulative Exam

Cumulative Exam — Cumulative exam Answers

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A 2-column table with 8 rows. The first column is labeled t with entries negative 4, negative 3, negative 2, negative 1, 0, 1, 2, 3. The second column is labeled f of x with entries negative 54, negative 20, negative 4, 0, negative 2, negative 4, 0, 16.

Question illustration
A
(–4, 1)
B
(–4, –1)
C
(–1,1)
D
(–1, 2)
42
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A retailer charges a flat handling fee of $5.00, plus $0.75 per quarter pound, to ship an item. Bailey pays $9.50 to have an item shipped from the retailer. What is the weight of the item?

A
1.50 pounds
B
1.75 pounds
C
3.75 pounds
D
6.00 pounds
43

Which statement correctly explains how Dana can solve the following system of linear equations for x using the elimination method?

Question illustration
A
Add the two equations, solve for y, and then substitute –1 for y to find x.
B
Multiply the bottom equation by –4, solve for y, and then substitute –1 for y to find x.
C
Multiply the bottom equation by –1, subtract the two equations, solve for y, and then substitute 1 for y to find x.
D
Multiply the two equations, solve for y, and then substitute 1 for y to find x.
44

Review the graph.

Question illustration
A
25 x2 + (y + 4)2
B
25 > (x – 1)2 + y2 and 16 > x2 + (y + 4)2
C
25 < (x – 1)2 + y2 and 16 < x2 + (y + 4)2
D
25 > (x – 1)2 + y2 and 16 < x2 + (y + 4)2
45

The graph of which function has an axis of symmetry at x = ?

Question illustration
A
f(x) = 2x2 + x – 1
B
f(x) = 2x2 – x + 1
C
f(x) = x2 + 2x – 1
D
f(x) = x2 – 2x + 1
46

Which graph represents the function y = 2x – 4?

A
Option
B
Option
C
Option
D
Option
47

Which linear function represents the line given by the point-slope equation y – 2 = 4(x – 3)?

A
f(x) = 6x – 1
B
f(x) = 8x – 6
C
f(x) = 4x – 14
D
f(x) = 4x – 10
48

Which would be the most suitable viewing window to solve the system below?

Question illustration
A
mc001-2.jpg
Option A
B
mc001-3.jpg
Option B
C
mc001-4.jpg
Option C
D
mc001-5.jpg
Option D
49

Which of the following is the graph of ?

Question illustration
A
On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = 2. One curve opens up and to the right in quadrant 1. The other curve opens down and to the left and it crosses the x-axis at (1, 0).
Option A
B
On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = 2. One curve opens up and to the right in quadrants 1 and 4. It crosses the x-axis at (3, 0). The other curve opens down and to the left and it crosses the y-axis at (0, negative 1.5).
Option B
C
On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = negative 2. One curve opens up and to the right in quadrants 1 and 2. It crosses the y-axis at (0, 1.5). The other curve opens down and to the left and it crosses the x-axis at (negative 3, 0).
Option C
D
On a coordinate plane, 2 curves are shown. Both curves have an asymptote at x = negative 2. One curve opens up and to the right in quadrants 1, 2, and 4. It crosses the x-axis at (negative 1, 0). The other curve opens down and to the left in quadrant 3.
Option D
50

Which is the graph of y – 3 = (x + 6)?

Question illustration
A
Option
B
Option
C
Option
D
Option

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