Page 550 - Algebra 1

Practice Distributed and Integrated
Factor completely.
1.
(72)
3.
(75)
w2 -13w+36 30x2 -7xy-2y2
2. -q2 +q+42 (79)
4. x2 -11+6x-44 (72)
Solve.
5.
(74)
7.
(77)
|x-3|=14 6. (74)
-5-_n ≥-6 8. 8 (77)
|x + 4| = 7.5 12-3d≤-3
y+4.5<10
Solve and graph. Then check the solution.
*9. 6v+5>-2v-3 10.
(81) (66)
Write an equation for each of the lines described.
11. a line that passes through (1, -2) and is perpendicular to y = 2x + 6
(65)
12. a line that passes through (6, 5) and is parallel to y = -x + 4 (65)
13. Multi-Step To win a game, Alvaro needs to spin a black section or the number 10. (68)
100, 10, black orange
90, orange
80, black
70, orange
20, black
30, orange
40, black
60,
black orange
a. What is the probability of spinning a black section?
b. What is the probability of spinning a 10?
c. Are the events inclusive or mutually exclusive?
d. What is the probability of Alvaro hitting a black section or the number 10?
14. Employment The table below shows the number of people employed in the United (71) States. Make a scatter plot of the data.
U.S. Employment (in millions)
15. Verify Show that 2 is a solution of the compound inequality x < 3 OR x > 6. (73)
16. Gardening Debraisplantingasquaregarden.Thesidelengthis8+√ 8inches. (76) Write an expression to find the area of the garden, and then find the area.
50,
Year
1970
1975
1980
1985
1990
1995
2000
Employment (in millions)
79
86
99
107
119
125
137
Lesson 81 535