Page 65 - Algebra 1

9.
(SB 2)
*11.
(10)
12.
(SB 1)
13.
(8)
14.
(8)
15.
(4)
*16.
(10)
*17.
(10)
12.3 · 2.02 10. 0.8 ÷ 0.25 (SB 2)
Order from greatest to least: _6 , _3 , _1 , -_4 . 757 3
A(n) angle measures less than 90o.
Convert 8673 g to kg.
Convert 26 mi to km. Round your answer to the nearest tenth.
True or False: (2 + 5) - (3 · 4) = 2 + 5 - 3 · 4. Explain.
Multiple Choice Simplify 1.29 + 3.9 - 4.2 - 9.99 + 6.1.
A -2.9 B -1 C 1 D 2.9
Error Analysis Which student is correct? Explain the error.
Student A
_1 _2 _1
1 - (5 - 10 - 10 )
= 1 - (-_1 )
= 1_1 10 10
Student B
_1 _2 _1
1 - (5 - 10 - 10 )
= 1 - _1 - _2 - _1
5 10 10
= _1
2
*18.
(10)
Time A ship sailed northeast for 2_1 hours. It then sailed east for 1_1 hours. 43
How much longer did it sail northeast than east? 19. Model Draw a line plot for the frequency table.
( (S S B B 2 2 9 9) )
*20.
(9)
*21.
(9)
22.
(8)
Number
9
10
11
12
13
14
Frequency
4
3
2
1
0
4
Multi-Step A map shows streets _1 of their size. 1000
a. Write an expression that represents the real length of a block if the length of the block on the map is b.
b. Find the actual length of a block that is 0.4 feet on the map.
Geometry A parallelogram has a base of z and a height of 2z. Write an expression
to find the area of the parallelogram. If z is equal to 12 cm, what is the area of the parallelogram?
Error Analysis Two students used unit analysis to convert a measurement of area to a different unit. Which student is correct? Explain the error.
Student A
1 ft = 12 in. _
9 ft2 = 9 ft2 × 12 in.
1 ft 9 ft2 = 108 in2
Student B
1 ft = 12 in.
__
9 ft2 = 9 ft2 × 12 in. × 12 in.
1 ft 1 ft 9 ft2 = 1,296 in2
50
Saxon Algebra 1