Which function has the greatest y intercept 1 f x 4 3

11 Which function has the greatest y -intercept?
(1) f ( x ) 4 3
(2) 2 x 0 3 y 4 12
(3) the line that has a slope of 2 and passes through (1, 1 4)
(4)
f(x)
x
y
10 6
x
I
4441
or
o
o
Of i
6
a
y
10 6

Use this space for
computations.
12 What is the product of 2 x 0 3 and 4 x
2
1 5 x 0 6?
0 3.50 x 4 20.00 (4) 2 x 0 9.00 4 14.50
or
a
i
Algebra I (Common Core) – Aug. ’16
[5] [OVER]
13 The height of a rocket, at selected times, is shown in the table below.
Time (sec) 0 1 2 3 4 5 6
Height (ft) 180 260 308 324 308 260 180 68
Based on these data, which statement is not a valid conclusion?
7
t
a
14 A parking garage charges a base rate of $3.50 for up to 2 hours, and
an hourly rate for each additional hour. The sign below gives the prices
for up to 5 hours of parking.
2 hours
3 hours
4 hours
5 hours
$3.50
$9.00
$14.50
$20.00
Parking Rates
Which linear equation can be used to find x , the additional hourly
parking rate?
(2) 9.00 0 3.50 x 4 20.00 (4) 2 x 0 9.00 4 14.50
or
a
i
I
t
a

Use this space for
computations.
15 Which function has a constant rate of change equal to 1 3?
x
0
1
2
3
y
2
5
8
11
(1) (3)
y
x
(2) (4)
2 y # " 6 x ! 10 {(1,5), (2,2), (3, " 5), (4,4)}
16 Kendal bought x boxes of cookies to bring to a party. Each box contains
12 cookies. She decides to keep two boxes for herself. She brings
60 cookies to the party. Which equation can be used to find the number
of boxes, x , Kendal bought?
O
60
60
Algebra I (Common Core) – Aug. ’16
[6]
17 The table below shows the temperature, T ( m ), of a cup of hot chocolate
that is allowed to chill over several minutes, m
Time, m (minutes) 0 2 4 6
Temperature, T(m)
(°F)
150 108 78 56 41
Which expression best fits the data for T ( m )?
.
8
O

Use this space for
computations.
18 As x increases beyond 25, which function will have the largest value?
x
2
x
2
Algebra I (Common Core) – Aug. ’16
[7] [OVER]
19 What are the solutions to the equation 3 x
2
0 10 x 4 8?
1 2
20 An online company lets you download songs for $0.99 each after
you have paid a $5 membership fee. Which domain would be most
appropriate to calculate the cost to download songs?
2
1 1
2
0 7
22 A system of equations is given below.
x 0 2 y 4 5
2 x 0 y 4 4
Which system of equations does not have the same solution?
5
5