madWildangjc4olnorm
contestada

Factor x2 + 11x + 24

A. (x + 6)(x + 4)
B. (x + 2)(x + 12)
C. (x + 3)(x + 8)
D. (x + 1)(x + 11)

Factor 2m2 + 27m + 70

A. (2m + 7)(m + 10)
B. (m + 10)(2m + 7)
C. (2m + 3)(m + 20)
D. (2m + 7)(m – 10)

Factor g2 – 64

A. (g – 1)(g + 64)
B. (g + 8)(g – 8)
C. (g – 8)(g – 8)
D. (g + 8)(g + 8)

Factor 49t2 – 9

A. (7t + 3)(7t + 3)
B. (7t + 3)(–7t – 3)
C. (7t + 3)(7t – 3)
D. 7t – 3

The area of a rectangular field is given by the trinomial t2 – 4t – 45. The length of the rectangle is t + 5. What is the expression for the width of the field?

A. t – 9
B. t – 5

Respuesta :

caylus
Hello,

1) x²+11x+24=x²+8x+3x+24=x(x+8)+3(x+8)=(x+8)(x+3) ANSWER C

2)2m²+27m+70=2m²+20m+7m+70=2m(m+10)+7(m+10)
=(m+10)(2m+7) ANSWER A

3)g²-64=(g-8)(g+8) ANSWER B

4) 49t²-9=(7t-3)(7t+3) answer C

5)
t²-4t-45=t²+5t-9t-45=t(t+5)-9(t+5)=(t+5)(t-9)

l=t+5
==>w=t-9
answer A


Otras preguntas