Transcript Chapter 1 - rrisdmathteam

Chapter 1
Review
Please select a Team.
am
Te
am
Te
5
20%
4
20%
3
am
am
Te
am
20%
2
20%
1
20%
Te
Team 1
Team 2
Team 3
Team 4
Team 5
Te
1.
2.
3.
4.
5.
Write an algebraic expression for
the phrase.
4 times the sum of q and p
p)
+
q
q
+
4
25%
4(
+
p
+
25%
p
25%
p
25%
4q
4q + p
4+q+p
4qp
4(q + p)
4q
1.
2.
3.
4.
Define a variable and write an
expression for the phrase.
d = 22c
c = 22d
c = d + 22d
c = d + 22
22
+
22
=
d
=
c
25% 25% 25% 25%
d
1.
2.
3.
4.
c
132
d
6
22
110
+
5
d
66
=
3
What equation models the data
in the table if d = number of days
and c = cost?
c
44
22
d
2
=
Cost
c
Days
An equilateral triangle has three sides of equal length.
What is the equation for the perimeter of an equilateral
triangle if P = perimeter and s = length of a side?
s = 3P
P = 3s
P=3+s
P = 3(s + s + s)
s
P
=
3(
s
P
+
=
s
3
+
+
3s
P
=
3P
=
s)
25% 25% 25% 25%
s
1.
2.
3.
4.
Team Scores
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Team 1
Team 2
0
0
0
Team 3
Team 4
Team 5
25%
4
25%
22
25%
36
25%
8
188
36
98
224
18
1.
2.
3.
4.
98
Evaluate u + xy, for u = 18, x =
10, and y = 8.
A pair of shoes costs $52.99 and the state sales tax is 8%.
Use the formula C = p + rp to find the total cost of the
shoes, where C is the total cost, p is the price, and r is the
sales tax rate.
1.
2.
3.
4.
$95.38
$60.99
$57.23
$78.19
25%
$95.38
25%
25%
$60.99
$57.23
25%
$78.19
r
ve
ne
m
et
so
al
w
ay
s
im
es
When simplifying an expression, you ____
perform operations inside grouping symbols
first.
1. always
33% 33% 33%
2. sometimes
3. never
Team Scores
0
0
Team 1
Team 2
0
0
0
Team 3
Team 4
Team 5
25%
25%
4
25%
14
25%
24
36
24
81
144
36
1.
2.
3.
4.
81
Evaluate the expression
for a = 4 and b = 3.
You can use the formula to convert temperature in
degrees Fahrenheit, F, to temperature in degrees
Celsius, C. What is 62°F in degrees Celsius?
Round your answer to the nearest tenth.
4°
C
25%
2.
.2
.7
°C
25%
°C
25%
16
°C
25%
52
30°C
16.7°C
52.2°C
2.4°C
30
1.
2.
3.
4.
Simplify the expression.
25%
9
25%
18
25%
36
25%
8
108
36
18
9
10
1.
2.
3.
4.
Team Scores
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Team 2
0
0
0
Team 3
Team 4
Team 5
Simplify the expression.
25%
92
25%
8
25%
12
25%
80
29
80
128
92
29
1.
2.
3.
4.
Simplify the expression.
7
25%
86
7
25%
43
8
25%
86
25%
7
297
868
437
867
29
1.
2.
3.
4.
25%
25%
26
18
1
25%
16
25%
5
585
169
26
181
58
1.
2.
3.
4.
9
Simplify the expression.
Team Scores
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0
Team 1
Team 2
0
0
0
Team 3
Team 4
Team 5
Evaluate the formula for
B = 9 in.2 and h = 32 in.
25%
in
.3
in
.3
25%
96
6
in
.3
25%
9.
8
in
.3
25%
32
288 in.3
9.6 in.3
32 in.3
96 in.3
28
1.
2.
3.
4.
A rational number is ____ a real
number.
so
m
et
r
s
w
ay
al
33%
ve
33%
im
es
33%
ne
1. always
2. sometimes
3. never
Name the set(s) of numbers to
which 1.68 belongs.
1. rational numbers
2. natural numbers,
whole numbers,
integers, rational
numbers
3. rational numbers,
irrational numbers
4. none of the above
ra
ne
ov
e
of
th
e
ab
ir r
...
rs
,
nu
m
be
tio
n
al
nu
tu
ra
l
na
no
w
h.
..
m
be
al
tio
n
ra
rs
,
nu
m
be
rs
25% 25% 25% 25%
Team Scores
0
0
Team 1
Team 2
0
0
0
Team 3
Team 4
Team 5
Name the set(s) of numbers to
which –5 belongs.
in
te
g
nu
.
al
er
s
,r
at
io
n
rs
,
m
be
..
in
te
...
rs
w
ho
le
ra
nu
tio
n
al
nu
m
be
na
tu
r..
rs
,
m
be
nu
4.
25% 25% 25% 25%
ho
le
2.
3.
whole numbers, natural
numbers, integers
rational numbers
whole numbers,
integers, rational
numbers
integers, rational
numbers
w
1.
in
te
g
er
s
rs
nu
m
be
ra
tio
n
al
al
n
io
n
irr
at
w
ho
le
nu
m
be
um
be
rs
rs
Which set of numbers is the most
reasonable to describe the number of desks
in a classroom?
1. whole numbers
25% 25% 25% 25%
2. irrational numbers
3. rational numbers
4. integers
The opposite of a negative
number is ____ negative.
so
m
et
r
s
w
ay
al
33%
ve
33%
im
es
33%
ne
1. always
2. sometimes
3. never
Team Scores
0
0
Team 1
Team 2
0
0
0
Team 3
Team 4
Team 5
=
.8
50%
–2
50%
2.
8
1. 2.8
2. –2.8
Hour
Worked
Pay
2
$15.00
4
$30.00
6
$45.00
8
$60.00
25%
25% 25%
25%
=
h
h
=
p
7.
+
50
p
15
h
15
=
p
=
7.
50
h
p = 7.50h
p = 15h
p = h + 15
h = 7.50p
p
1.
2.
3.
4.
Write a function rule
for each table.
Days
Cost to Rent
a Truck
1
2
3
34
56
78
4
100
25% 25% 25% 25%
22
d
22
c
=
=
c
22
d
+
22
+
12
d
=
c
=
22
d
+
12
c = 22d + 12
c = 12d + 22
c = 22d + 22
c = 22d
c
1.
2.
3.
4.
Write a function rule
for each table.
The cost of playing pool increases with the amount of time
using the table. Identify the independent and dependent
quantity in the situation.
1. time at table; cost
2. cost; time at table
3. number of games;
cost
4. cost; number of
players
ye
rs
t
um
be
ro
fp
la
os
co
st
;n
ro
fg
am
es
;c
ta
b
at
nu
m
be
st
;t
im
e
co
tim
e
at
ta
bl
e
;c
os
le
t
25% 25% 25% 25%
Team Scores
0
0
Team 1
Team 2
0
0
0
Team 3
Team 4
Team 5
One more question!!!!
The french club is holding a car wash fundraiser. They are going to
charge $10 per car, and expect between 50 and 75 cars. Identify the
independent and dependent quantity in the situation, and find
reasonable domain and range values.
1.
2.
3.
4.
number of cars; money raised; 50
to 75 cars; $500 to $750
money raised; number of cars;
$500 to $750; 50 to 75 cars
number of cars; money raised;
$500 to $750; 50 to 75 cars
money raised; number of cars; 50
to 75 cars; $500 to $750
25% 25% 25% 25%
number of money number of money
cars;
raised;
cars;
raised;
money number of money number of
raised; 50 cars; $500 raised; cars; 50 to
to 75 cars; to $750; 50 $500 to
75 cars;
$500 to to 75 cars $750; 50 to $500 to
$750
75 cars
$750
Final Score
0
0
Team 1
Team 2
0
0
0
Team 3
Team 4
Team 5