[PDF] Practice 8-6. Practice. Form K.

View - Download Practice

Previous PDF

Next PDF

Name Class Date

Prentice Hall Foundations Algebra 1 • Teaching Resources Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved. 55
8-6

Practice Form K

Factoring ax

2 1bx1c

Factor each expression.

1. 3n 2

28n23 2. 5a

2

222a18 3. 2s

2

113s16

4. 6t 2

121t212 5. 9b

2

265b114 6. 5z

2

111z16

7. 7r 2

29r210 8. 2m

2

1m221 9. 3g

2

120g132

10. ? e area of a rectangular driveway is 2x

2

115x125. ? e width of the

driveway is x15. What is the length of the driveway?

11. ? e area of a rectangular oor is 8x

2

16x220. ? e width of the oor is

2x14. What is the length of the ? oor?

12. ? e area of a rectangular desktop is 6x

2

23x23. ? e width of the desktop is

2x11. What is the length of the desktop?

Factor each expression completely.

13. 24n

2

12n212 14. 72q

2

212q240 15. 30j

2

227j221

16. 60h

2

1280h145 17. 40a

2

1126a144 18. 45f

2

124f2189

2(4n13)(3n22)4(3q12)(6q25)3(2j11)(5j27)

5(6h11)(2h19) 2(4a111)(5a12)3(5f29)(3f17)

2x15 4x25 3x23 (3n11)(n23)(5a22)(a24)(2s11)(s16)

3(2t21)(t14)(9b22)(b27)(5z16)(z11)

(7r15)(r22)(2m17)(m23)(3g18)(g14)

Name Class Date

Prentice Hall Foundations Algebra 1 • Teaching Resources Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved. 56
8-6

Practice (continued) Form K

Factoring ax

2 1bx1c Open-Ended Find two di? erent values that complete each expression so that the trinomial can be factored into the product of two binomials. Factor your trinomials.

19. 4n

2 1 u n23 20. 12r 2 1 u 16

21. 24a

2 1 u a215 22. 18b 2 1 u b18

23. A parallelogram has an area of 8x

2

22x245. ? e height of the

parallelogram is 4x19. a. Write the formula for the area of a parallelogram. b. What is the length of the base of the parallelogram? c. Writing Explain how you solved the problem.

24. A rectangular athletic ? eld has an area of 40x

2

1190x250. ? e width of the

athletic eld is 8x22. What is the length of the athletic ? eld?

Factor each expression.

25. 96d

2

276d277 26. 48h

2

286h135

27. 24m

2

118m215 28. 36c

2

127c255

2x25 A5bh Sample: You know that the product of 4x19 and another factor is 8x 2

22x245.

4x times 2x is 8x

2 and 9 times 25 is 245. So, 8x 2

22x2455(4x19)(2x25). Then

use FOIL to check. 5x125 (12d17)(8d211)(8h25)(6h27)

3(2m21)(4m15) (3c15)(12c211)

Answers may vary. Sample:

24, 11; 4n

2

24n235(2n23)(2n11);

4n 2

111n235(n13)(4n21)

Answers may vary. Sample:

17, 38; 12r

2

117r165(3r12)(4r13);

12r 2

138r165(2r16)(6r11)

Answers may vary. Sample: 218, 37;

24a
2

218a2155(6a13)(4a25);

24a
2

137a2155(8a115)(3a21)

Answers may vary. Sample: 24, 74;

18b 2

124b185(3b12)(6b14);

18b 2

174b185(9b11)(2b18)

quotesdbs_dbs10.pdfusesText_16

[PDF] 8 4 practice factoring trinomials ax2 bx c answers

[PDF] 8 4 skills practice factoring trinomials ax2 bx c answers

[PDF] 8 5 factoring special products

[PDF] 8 5 practice factoring ax2+bx+c form g answer key

[PDF] 8 6 reteaching factoring ax2+bx+c answers

[PDF] 8 6 skills practice quadratic equations perfect squares

[PDF] 8 6 standardized test prep factoring ax2+bx+c answer key

[PDF] 8 7 practice factoring special cases

[PDF] 8 7 practice factoring special products answers

[PDF] 8 7 skills practice solving quadratic systems answer key

[PDF] 8 7 study guide and intervention solving ax2 bx c=0

[PDF] 8 8 standardized test prep factoring by grouping answers

[PDF] 8 9 practice perfect squares

[PDF] 800 french words

[PDF] 8086 assembly language tutorial for beginners