Lesson 2.2 Solve Quadratic Equations by Taking Square Roots Solve by the using square root property. 16. x =144 Choices for 16-27: 17. x' =27 A) x 20-5/3,20+5/3 B) x= 4-/15,4+ V15 3x = 36 C) x = 3-i5,3+i/5 D) x = 4-3i,4 +3i 18. E) x =2-3i,2+3i AB) x = 3-i,3+i 19. x -1=1 x =-3/3,3/3 AD) x=-2/3,2/3 4x -6 = 94 AE) x=-2/5,2/5 BC) x =- 20. BD) x = -/22, V22 BE) x =-3i,3i 21. 21-2x = 39 CD) x = CE) x = -7,3 DE) x =-7,-1 ABC) x = 5,35 (x+2) = 25 22. ABD) x =0 ABE) x =-3,7 ACD) x =-1,1 ACE) x =-2,2 23. (x-4)' +12=3 ADE) x =-3,3 BCD) x =-4,4 6(x-3) -5=-11 24. BCE) x = -5,5 BDE) x =-8,8 CDE) x =-12,12 1 ABCD) x = --i, 1, 3 3 2(x-20) -100 = 350 5 5 ABDE) x = -- 3'3 25. 3 3 ABCE) x =- 5'5 26. 12x -13 = 3x +12 27. -1=31
Lesson 2.2 Solve Quadratic Equations by Taking Square Roots Solve by the using square root property. 16. x =144 Choices for 16-27: 17. x' =27 A) x 20-5/3,20+5/3 B) x= 4-/15,4+ V15 3x = 36 C) x = 3-i5,3+i/5 D) x = 4-3i,4 +3i 18. E) x =2-3i,2+3i AB) x = 3-i,3+i 19. x -1=1 x =-3/3,3/3 AD) x=-2/3,2/3 4x -6 = 94 AE) x=-2/5,2/5 BC) x =- 20. BD) x = -/22, V22 BE) x =-3i,3i 21. 21-2x = 39 CD) x = CE) x = -7,3 DE) x =-7,-1 ABC) x = 5,35 (x+2) = 25 22. ABD) x =0 ABE) x =-3,7 ACD) x =-1,1 ACE) x =-2,2 23. (x-4)' +12=3 ADE) x =-3,3 BCD) x =-4,4 6(x-3) -5=-11 24. BCE) x = -5,5 BDE) x =-8,8 CDE) x =-12,12 1 ABCD) x = --i, 1, 3 3 2(x-20) -100 = 350 5 5 ABDE) x = -- 3'3 25. 3 3 ABCE) x =- 5'5 26. 12x -13 = 3x +12 27. -1=31
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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16-21
Transcribed Image Text:Lesson 2.2 Solve Quadratic Equations by Taking Square Roots
Solve by the using square root property.
16.
x = 144
Choices for 16-27:
17.
x? =27
A) x= 20-5/3,20+5/3
B) x=4-/15,4+/15
C) x = 3-iV5,3+i 5
D) x = 4- 3i,4+3i
18.
3x = 36
E) x = 2-3i,2+ 3i
AB) x = 3-i,3+i
19.
x -1=1
x--3/3,3/3
AD) x =-2/3,2/3
4x -6=94
x=-2/5,2/5
BC) x =-V2, V2
20.
=-/22, V22
BĐ) x=-V
BE) x = -3i,3i
21.
21-2x = 39
CD) x= -i3,i3
CE) x =-7,3
DE) x =-7,-1
ABC) x =5,35
(x+2)° = 25
22.
ABD) x=0
ABE) x =-3,7
ACD) x =-1,1
ACE) x =-2,2
23.
(x-4)' +12=3
ADE) x =-3,3
BCD) x =-4,4
6(x-3) -5=-11
24.
BCE) x =-5,5
BDE) x =-8,8
1 1
CDE) x =-12,12
ABCD) x =--i,-
3 3
2(x-20) – 100 = 350
5 5
ABDE) x = -
3'3
25.
3 3
ABCE) x =-
5'5
26.
12x – 13 = 3x +12
27.
-1= 31
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