Question

Which of the following represents the area of a rectangle whose length is 3x – 7 and whose width is x + 2?

Answer 1

where are the options?

Answer 2

3x2 – 14

3x2 + x – 14

3x2 – x – 14

3x2 + 14

Answer 3

area = (3x - 7 )(x + 2)
= 3x(x + 2) - 7(x + 2)
can you continue from here?

Answer 4

Yes! thank you

Answer 5

yw

Answer 6

would it be 3x2+x-14?

Answer 7

hello?

Answer 8

(3x-7)(x+2)

3x(x + 2) - 7(x + 2)

3x^2+6x-7x-14

3x^2-x-14

So you were close (your middle term was off by a sign)

Answer 9

thank you

Answer 10

yw