15. Which of the following trinomials has factors (3a-2b)and (2a-b)? A. 6a2-7ab+2b2 C. 6a2-7ab-262 B. 6a2+7ab-2b2 D 6a2 +7ab+2b2 16. The rectangle has an area of 2x2+8x+8. If the length is represented by 2x+4, find a binomial that represents the width of the rectangle..-5 A.x-2 C.-x-2 B.x+2 D.-x+2 17. If the area of the square is 4x2 -4x+1,what is the measure of its side? A.-2x+1 C. .-2x-1 B.2x-1 D.4x-2 18. The product of two consecutive integers is 90. Find the integers. A.-5 and -4 or 4 and 5 C.-13 and -12 or 12 and 12 B. -10 and -9 or 9 and 10 D.-18 and -17 or 17 and 18 19. A rectangular pond has a length of 4m more than twice its width Solve for the length and the width if the area of the said pond is 96m². A.l=12m, w=4m C.1=24m, W-2m B.l=16m, w=6m D.l=16m ,w=3m 20. The sum of a number and its square is 420 What are the numbers that satisfy this condition? A.20 or 25 C.12 or 13 B. 20 or -21 D.10 or -11

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Math

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15. Which of the following trinomials has factors (3a-2b)and (2a-b)? A. 6a2-7ab+2b2 C. 6a2-7ab-262 B. 6a2+7ab-2b2 D 6a2 +7ab+2b2 16. The rectangle has an area of 2x2+8x+8. If the length is represented by 2x+4, find a binomial that represents the width of the rectangle..-5 A.x-2 C.-x-2 B.x+2 D.-x+2 17. If the area of the square is 4x2 -4x+1,what is the measure of its side? A.-2x+1 C. .-2x-1 B.2x-1 D.4x-2 18. The product of two consecutive integers is 90. Find the integers. A.-5 and -4 or 4 and 5 C.-13 and -12 or 12 and 12 B. -10 and -9 or 9 and 10 D.-18 and -17 or 17 and 18 19. A rectangular pond has a length of 4m more than twice its width Solve for the length and the width if the area of the said pond is 96m². A.l=12m, w=4m C.1=24m, W-2m B.l=16m, w=6m D.l=16m ,w=3m 20. The sum of a number and its square is 420 What are the numbers that satisfy this condition? A.20 or 25 C.12 or 13 B. 20 or -21 D.10 or -11

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Babydarren24go Babydarren24go · Answer 1

Babydarren24go Babydarren24go

Answer:

thx po sa points

Step-by-step explanation:

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Answer:

15. A.

16. B.

17. B.

18. B.

19. B.

20. B.

Step-by-step Solution:

15. =(3a-2b)(2a-b)

= 6a²-3ab-4ab+2b²

= 6a² - 7ab + 2b²

16. =(2x²+8x+8)/(2x+4)

= (2x+4)(x+2)/(2x+4)

Cancel 2x+4

= x+2

17. = (4x²-4x+1)

=(2x-1)²

18. x(x+1) = 90

x²+x=90

x²+x-90=0

(x+10)(x-9)=0

x= -10, 9

x+1 = -9, 10

Therefore, -10 and -9 or 9 and 10

19. L= 4 + 2W

A=LW

96 = (4+2W)(W)

2W²+4W-96=0

W²+2W-48=0

(W+8)(W-6)=0

W=6

L= 4+2(6) = 4+12 = 16

Therefore, L=16m , W=6m

20. x+x²=420

x²+x-420=0

(x+21)(x-20)=0

x= -21 or x=20