Page 49 - Algebra 1

Practice
Distributed and Integrated
Add, subtract, multiply, or divide.
1.
(4)
3.
(6)
5.
(4)
7.
(SB 2)
9.
(1)
10.
(1)
11.
( (S S B B 1 1 3 3) )
12.
(SB 12)
13.
(SB 12)
14.
(SB 4)
15.
(SB 5)
16.
(SB 5)
*17.
(7)
(5+2)2 -50 3_1 -1_1 -5_1
3 6 4 (0.56+0.3)·0.2
e. Compare the expressions. Use <, >, or =.
(Ex 4)
(13 + 5) - [5 · 22] [(7 + 11) - 5] - 23.
f. Health Body Mass Index (BMI) is the relation of weight to height. The
)
(Ex. 5) _W
expression (H
inches, is used to calculate BMI. Explain the steps that are necessary to simplify this expression.
2
· 703, where W is weight in pounds and H is height in
2. (3-5)+72 (4)
4. 2_1 ·3_1 ·1_1 (SB3) 3 4 2
6. 3.25·0.4+0.1 (4)
1.2÷0.1÷0.1
Verify True or False: All whole numbers are counting numbers. If true, explain
your answer. If false, give a counterexample.
The set {..., -3, -2, -1, 0, 1, 2, 3,...} represents which set of numbers?
Justify True or False: An obtuse triangle has two obtuse angles. Explain your choice.
Find the prime factorization of 207.
Find the prime factorization of 37.
Write Use the divisibility test to determine if 10,048 is divisible by 8. Explain.
Write 0.345 as a fraction in simplest form and as a percent.
Write 0.07% as a fraction in simplest form and as a decimal.
Evaluate (⎪-3⎥ · 4) + ⎡⎢ _1 + _1 ÷ _1⎤ . ⎣(2 4) 3⎦
_1_1_2 _1_1_2 *18.Compare: + · (+ )· .
8. 20.2·0.1·0.1 (SB 2)
(7)
*19.
(7)
*20.
(7)
3 5 15 3 5 15
Temperature ThefollowingtwoformulasareusedtoconvertdegreesCelsius(°C)to
degrees Fahrenheit (°F) and vise versa: C = _5 (F -32) and F = _9 C + 32. Explain
how the equations are different.
Fencing The diagram represents the fencing around a backyard. The fence is formed with parallel lines and a half-circle. Write and solve an equation to determine how many feet of fencing are needed. Round the answer to the nearest tenth.
95
34
Saxon Algebra 1
40 ft
40 ft
15 ft