Page 667 - Algebra 1

Practice
Simpl_ify.
30x-2y12
-5 6y
j. Nila has plans to attend the school bookfair and she wants to spend (Ex 5) no more than $25. Each book series costs $15 and each book costs $5.
Write an inequality to describe the total cost of the books Nila can buy and graph the inequality.
Distributed and Integrated
1.
(32)
2.
(69)
3.
(90)
4.
(48)
5.
(58)
(95)
*7.
√0.09q2r + q
√
0.04r 2g+3 2g+3
Find the range of the data set that includes the ages of 9 members of a chess club: 23, 7, 44, 31, 18, 27, 35, 39, 66.
Find the product (4x2 + 8)(2x - 7) using the FOIL method.
16g - 81 _4 _
_ _ *6.Add 9 + -24 .
9x - 36 3x2 - 48
x+2 _
x + 1
x
x2 + 2x + 1
miles in the gym and many more miles did he run inside?
(93)
Solve and graph the inequality. 9. 13≤2x+7<15
(82) _ ⎢x
10. >8 (91) 6
miles outside. How
(95)
8.
Jim ran a total of
Find the quotient of (x2 - 14x + 49) ÷ (x - 7).
11. Determine if the inequality 3x - 4x ≥ 6 - x + 8 is never, sometimes, or always (81) true. If it is sometimes true, identify the solution set.
*12. Determine if the ordered pair (2, 6) is a solution of the inequality y > 3x - 2. (97)
*13. Graph the function. y = x2 + 2x - 24 (9 6)
*14. Write What points on a graph of an inequality satisfy the inequality? Explain. (97)
*15. Generalize How do you know which half-plane to shade for the graph of a linear (97) inequality?
652 Saxon Algebra 1