

8.06 Practice
Presentation
•
Mathematics
•
9th Grade
•
Hard
Sopheak Sam
Used 9+ times
FREE Resource
10 Slides • 7 Questions
1
8.06 Practice

2
3
Multiple Choice
What is the factored form of 4x2+4x+1=0 ?
(2x+1)(2x+1)=0
(2x−1)(2x+1)
(2x−1)(2x−1)
(4x+1)(1x+1)
4
x2+4x+4=0 Multiply 4 and 1
Options: 1x4 and 2x2
(x+2)(x+2)=0
(x+42)(x+42)=0 divide by 4
(2x+1)(2x+1)=0
5
Multiple Choice
What is the solution for 4x2+4x+1=0 ?
x=21or x=−21
x=−21and x=−21
x=2 1and x=21
x=41or x=1
6
(2x+1)(2x+1)=0
2x+1=0
2x=−1
x=−21
one solution
7
Multiple Choice
Solve: 2x2−x−15=0
x=−25 and x=3
x=25 and x=−3
x=25 and x=3
x=−25 and x=−3
8
2x2−x−15=0
x2−x−30=0 multiply 2 and -15
options: 1x30, 2x15, 3x10, and 5x6
(x−6)(x+5)=0 divide by 2
(x−26)(x+25)=0
(x−3)(2x+5)=0
x−3=0 and 2x+5=0
x=3 and x=−25
9
Multiple Choice
Solve: 3x2+7x−6=0
x = 3 and x=−32
x=−3 and x=−32
x=−3 and x=32
x=3 and x=32
10
x2+7x−18=0 multiply 3 and -6
Options: 1x18, 2x9, 3x6
(x+9)(x−2)=0
(x+39)(x−32)=0 divide by 3
(x+3)(3x−2)=0
x+3=0 and 3x−2=0
x=-3 and x=2/3
11
Multiple Choice
Solve by factoring: 2x2+ 7x + 6 = 0
x= 3/2 and x = 2
x = -3/2 and x = -2
x = 6 and x = 7
x = -6 and x = -7
12
x2+7x+12=0 multiply 2 and 6
Options: 1x12, 2x6, 3x4
(x+3)(x+4)=0
(x+23)(x+24)=0
(2x+3)(x+2)=0
2x+3=0 and x+2=0
x=−23 and x=−2
13
14
Multiple Choice
Solve 6x2-4 = -5x
x = 1/2, x = 4/3
x = -4/3, x = 1/2
x = 8, x = -3
x = -8, x = 3
15
6x2+5x−4=0
x2+5x−24=0 multiply 6 and -4
Options: 1x24, 2x12, 3x8, 4x6
(x+68)(x−63)=0
3x+4=0 and 2x−1=0
3x=−4 and 2x=1
x=−34 and x=21
16
Multiple Choice
Solve:
5x2+7x=x2+2x=-2 and 1/4
x=2 and 1/4
x=-2 and -1/4
x=8 and -1
17
4x2+7x−2=0 set equal to 0
x2+7x−8=0 multiply 4 and -2
(x+48)(x−41)=0 divide by 4
(x+2)(4x−1)=0
x+2=0 and 4x−1=0
x=-2 and x=1/4
8.06 Practice

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