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Algebraic Expressions
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Don't Circumvent Circumferences True or False Quiz
Module Quizzes
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Don't Circumvent Circumferences True or False Quiz
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The Greatest Factor of All
Express Your Simplification
Don't Circumvent Circumferences
True or False
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Algebraic Expressions: Don't Circumvent Circumferences True or False
1.
Which of the following is NOT an appropriate way to abbreviate "
z
times 7"? >
z
7
True
False
2.
The circumference of a circle is given by the formula
C
= 2π
r
. Which of the following is/are the variable(s) in this formula? >
C
,
r
True
False
3.
The circumference of a circle is given by the formula
C
= 2π
r
. Which of the following is/are the constant(s) in this formula? > π,
r
True
False
4.
The circumference of a circle is given by the formula
C
= 2π
r
. Which is/are the independent variable(s) in this formula? > None of the above
True
False
5.
Which of the following are the terms in the expression
ax
^{2}
+
bx

c
? >
ax
^{2}
, bx
^{2}
,
and
c
True
False
6.
A formula is a particular type of > expression
True
False
7.
Evaluate the expression 3 +
x

x
^{2}

x
^{3}
for
x
= (  3). > 36
True
False
8.
Evaluate the expression 25 
xy
+
x

y
^{3}
for
x
= 3 and
y
=  2. > 42
True
False
9.
The area of a trapezoid is given by the formula
, where
a
is the altitude of the trapezoid—so be sure to bring your inhaler if you plan on climbing to the top of it—and
b
_{1}
and
b
_{2}
are the bases of the trapezoid. What is the area of the trapezoid shown below?
> 24
True
False
10.
Annie wants to donate 5% of her income to charity. Well, she doesn't especially want to, but she's heard that she'll receive a nice tax break if she does. Let
I
be Annie's income, and let
C
be the amount Annie donates to charity. Which of the following formulas best expresses the relationship between
I
and
C
? >
C
= 0.05
I
True
False
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