Page 306 - Algebra 1

Practice Distributed and Integrated
Evaluate each expression for the indicated values.
1. (p-x)(a-px)fora=-3,p=3,andx=-4
(9)
2. -a⎣⎡-a(x-a)⎦⎤fora=-2andx=3 (9)
Evaluate each expression.
*3.
(46)
5.
(18)
*6. (46)
√ -1 0, 00 0
Simplify the following expression by adding like terms:
xym2 + 3xy2m - 4m2xy + 5mxy2. 3
_ Multiple Choice Evaluate - - 27 .
√ 64 A - _3 B _9
C _3 4 16 4
D n o r e a l s o l u t i o n
Translate each sentence into an inequality.
7. The opposite of 2 is less than or equal to the difference of a number and 7.
(45)
8. A U.S. citizen must be at least 35 years old in order to run for President. (45)
*9. Estimate Find the two whole numbers that √3 150 0 is between. (46)
10. Farming For every 15 cows, a farmer puts out 1 mineral block for them to eat as a (20) source of additional nutrients. What are the dependent and independent variables?
11. Use the table of ordered pairs below to make a graph. (30)
12. Solve _5 = _h . (31) 7 49
13. Multi-Step Work uniforms include pants or a skirt, a shirt, and a tie or a vest. There (33) are 3 pairs of pants, 5 skirts, 10 shirts, 2 ties, and 1 vest in a wardrobe.
a. What is the probability of choosing a skirt, a shirt, and a vest?
b. The skirt and shirt from the previous day must be washed, but the vest returns to the wardrobe. What is the probability of choosing pants, a shirt, and a tie the next day?
*14. Multi-Step A student earns $10 for every yard he mows in his neighborhood. He (45) wants to buy a new MP3 player for $180 including tax. At least how many yards
will he need to mow in order to earn the money for the MP3 player? a. Write an inequality that could be used to solve the problem.
b. Solve the inequality.
*4. -√4 10 ,00 0 (46)
x
0
1
3
4
5
y
-1
2
8
11
14
Lesson 46 291