C278 Pre-Assessment College Algebra CEC1 PCEC- Western Governors University

6/25/2021 WGU Student Portal | Coaching Report


PRE-ASSESSMENT: COLLEGE ALGEBRA (CEC1) PCEC
Attempt #4
Status: Passed



1.
Which number is irrational?


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ANSWER ANSWER


1

3



− √2




√81




−7




2.
7
Which graph corresponds to the set of real numbers {−4.25, −π,
4
, 2.75} ?


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ANSWER ANSWER




3.

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The formula is used to convert a Celsius ( C) temperature to its corresponding Fahrenheit (
9
F = C + 32
5


F).

What is the temperature in Fahrenheit if the current temperature is -10 degrees Celsius?


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ANSWER ANSWER


14.0°F

26.4°F

50.0°F

37.6°F




4.
Two friends eat lunch together at a campus cafeteria. Person A leaves first and walks at a constant rate of
3 mph. After 20 mins., Person B notices Person A forgot her phone and jogs after her friend at a constant
rate of 6 mph.

How far does Person A walk before Person B reaches her?


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ANSWER ANSWER


1 mi

1.5 mi

2 mi

2.5 mi




5.
What is the solution to x + 4 < 4x − 5 expressed in interval notation?


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ANSWER ANSWER


(−∞, 3)




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YOUR CORRECT
ANSWER ANSWER


4
( , ∞)
3



(3, ∞)




(9, ∞)




6.
Which graph represents the following equation?

2 x + 3 y = –6


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ANSWER ANSWER




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