Algebraic Expressions Quiz True or False
Back
More
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
Submit
Back
More
Cite This Page
×
Close
Cite This Source
Logging out…
Logging out...
You've been inactive for a while, logging you out in a few seconds...
W
hy's
T
his
F
unny?
CLOSE