2 16x 48 2 30x 3 24x 2 48x 83x 2 2x 6 6x5x 2 4x 8 Factor difference of two squares x 2 196 4 16x 2 81 x14x14 ID: 782208
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Slide1
Quiz Review
Factor GCF:24x2 – 16x – 48 2. 30x3 – 24x2 + 48x
8(3x2 – 2x - 6)
6x(5x
2
–
4x + 8)
Slide2Factor difference of two squares:x2 – 1964. 16x2
– 81(x-14)(x+14)(4x-9)(4x+9)
Slide3Factor trinomials:x2 + 10x + 24x
2 – x – 307. x2 – 21x – 72(x+6)(x+4)(x-6)(x+5)
(x-24)(x+3)
Slide4Factor using slide and divide8. 8x2 - 14x + 5
9. 12x2 – 37x – 1010. 11x2 – 3x – 8(4x-5)(2x-1)x2 - 14x + 40
(x-10)(x-4)8 8x2
- 37x - 120
(
x-40)(x+3)
12 12
(3x-10)(4x+1)
x
2
- 3x - 88
(
x-11)(x+8)
11 11
(x-1)(11x+8)
Slide5Factor using trial and error11. 5x2 - 62x + 24
12. 7x2 + 24x – 1613. 3x2 – 10x – 48(5x )(x )(7x )(x )
(3x )(x )
2
60
(5x-2)(x-12)
(7x-4 )(x+4 )
-4
+28
(3x+8)(
x-6
)
8
-18
Slide614. If Cameron bought an ipod for $349.00 and it costs 2% to have it shipped, what is the cost of the ipod with shipping?
349.00x 0.02 6.98
349.00
+ 6.98
$
355.98
Slide715. If Jacob bought a deer stand for $139.00 with a coupon for 11%, what is the total?
139.00x .11 15.29
139.00
-
15.29
$
123.71
Slide8HomeworkFACTOR ANY METHOD
x2 – 8x + 12 2x2 – 10x + 8 5x2 + 3x – 24. 7x2 - 15x – 18