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CHAPTER6.7T
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237 lines
235
à 6.7ïReview
äïThese problems are a review of problem types encountered
êêin this chapter.ïFactor ç problems completely.
âS
êêêêNot available
êêêêïin review
êêêêïsections.
éS
êëNo details are available in the review sections.
è See the appropriate section which deals with ç problem types.
1
#êêêëFactorï8rì - 2r
#êè A)ï2r(4r - 1)êêêB)ï2(4rì - r)
#êè C)ïr(8rì - 2)êêêD)ïå of ç
ü
êêë Not available in review sections.
Ç A
2
#êêêëFactorï12ab + 24bì
#êè A)ï4b(3a + 6b)êêë B)ï6(2ab + 4bì)
êè C)ï12b(a + 2b)êêë D)ïå of ç
ü
êêë Not available in review sections.
Ç C
3
#êêêèFactorï14cd + 7c + 35cì
êè A)ï7c(2d + 1 + 5c)êêïB)ï14c(d + 2 + 5c)
êè C)ï(7c + 5d)(c + 2d)êêD)ïå of ç
ü
êêë Not available in review sections.
Ç A
4
êêêèFactorïax + 2ay + 4x + 8y
êè A)ïprimeêêêëB)ï(x + 2y)(a + 4)
êè C)ï4(x + y)(a + 2y)êê D)ïå of ç
ü
êêë Not available in review sections.
Ç B
5
êêêëFactorï16r - 9p
êè A)ï(4r + 3p)(4r - 3p)êë B)ï(2r + 3p)(8r - 3p)
êè C)ïprimeêêêëD)ïå of ç
ü
êêë Not available in review sections.
Ç C
6
#êêêëFactorïxì + 7x + 12
êè A)ï(x + 2)(x + 6)êêèB)ï(x + 3)(x + 4)
êè C)ï(x + 1)(x + 12)êêïD)ïå of ç
ü
êêë Not available in review sections.
Ç B
7
#êêêëFactorïyì - 2y - 15
êè A)ï(y + 1)(y - 15)êêïB)ï(y - 3)(y + 5)
êè C)ï(y - 1)(y + 15)êêïD)ïå of ç
ü
êêë Not available in review sections.
Ç D
8
#êêêèFactorï2xì + 5x - 12
êè A)ï(2x - 3)(x + 4)êêïB)ï(2x + 2)(x - 6)
êè C)ï(2x + 12)(x - 1)êê D)ïå of ç
ü
êêë Not available in review sections.
Ç A
9
#êêêè Factorï6yì - 11y - 10
êè A)ï(6y + 5)(y - 2)êêïB)ï(6y - 10)(y - 1)
êè C)ï(3y + 2)(2y - 5)êê D)ïå of ç
ü
êêë Not available in review sections.
Ç C
10
#êêêëFactorï2rì - r - 3
êè A)ï(2r + 1)(r - 3)êêïB)ï(2r - 3)(r + 1)
êè C)ï(2r + 3)(r - 1)êêïD)ïå of ç
ü
êêë Not available in review sections.
Ç B
11
#êêêïFactorï10aì - 5a + 2a - 1
êè A)ï(2a - 1)(5a + 1)êê B)ï(10a + 5)(a - 1)
êè C)ï(5a - 1)(2a + 1)êê D)ïå of ç
ü
êêë Not available in review sections.
Ç A
12
#êêêë Factorïbì - 16
êè A)ï(b - 1)(b + 16)êêïB)ï(b + 2)(b - 8)
êè C)ï(b + 4)(b - 4)êêèD)ïå of ç
ü
êêë Not available in review sections.
Ç C
13
#êêêëFactorï4aìcì - 9yì
#êïA)ï(2ac + 3y)ìêêë B)ï(2ac + 3y)(2ac - 3y)
êïC)ï(4ac + 3y)(ac + 3y)êëD)ïå of ç
ü
êêë Not available in review sections.
Ç B
14
#êêêëFactorï16xì + 9bì
#êè A)ï(4x + 3b)(4x - 3b)êë B)ï(4x - 3b)ì
#êè C)ï(4x + 3b)ìêêêD)ïå of ç
ü
êêë Not available in review sections.
Ç D
15
#êêêëFactorïxì + 8x + 16
#êè A)ï(x + 2)(x + 8)êêèB)ï(x + 4)ì
êè C)ï(x + 1)(x - 16)êêïD)ïå of ç
ü
êêë Not available in review sections.
Ç B
16
#êêêè Factorï4xì - 12x + 9
#êè A)ï(2x - 3)ìêêê B)ï(2x - 3)(2x + 3)
êè C)ï(4x - 3)(4x + 3)êê D)ïå of ç
ü
êêë Not available in review sections.
Ç A
# 17êê Solve xì + 5x + 6 = 0 by
êêêëthe factoring method.
êè A)ï-2 and -3êêê B)ï1 and 6
êè C)ï2 and 3êêêèD)ïå of ç
ü
êêë Not available in review sections.
Ç A
# 18êêSolve 2xì + 7x - 15 = 0 by
êêêëthe factoring method.
êè A)ï3 and -5êêêïB)ï4 and 7
êè C)ï3/2 and -5êêêD)ïå of ç
ü
êêë Not available in review sections.
Ç C
# 19êêïSolve xì - 49 = 0 by
êêêëthe factoring method.
êè A)ï1 and 49êêêïB)ïno solution
êè C)ï7 and -7êêêïD)ïå of ç
ü
êêë Not available in review sections.
Ç C
20ïA rectangular card is two inches longer than it is wide.
êëThe area of the card is 15 square inches.ïFind the
êëdimensions of the card.
êè A)ï5 by 8êêêè B)ï3 by 5
êè C)ï8 by 11êêêèD)ïå of ç
ü
êêë Not available in review sections.
Ç B