How is the expression (5 + y) ⋅8 described by its factors and terms?
It has two factors and the factor (5 + y) has one term.
It has three factors and the factor (5 + y) has one term.
It has three factors and the factor (5 + y) has two terms.
It has two factors and the factor (5 + y) has two terms.

- anonymous

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- anonymous

@paki

- anonymous

@pooja195

- anonymous

@welshfella

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## More answers

- welshfella

how many terms are there in 5 + y ?

- anonymous

@welshfella im back. 2 terms. yes?

- welshfella

right
and factors are things that multiply each other
like (3 - y) . 4
- two factors 4 and (3 - y)

- anonymous

ok so two terms and two factors?

- welshfella

right

- welshfella

d

- anonymous

ty

- anonymous

i got one more.

- anonymous

The four points (−2, 5), (−2, −1), (5, −1), and (3, 5) are the vertices of a polygon. What is the area, in square units, of this polygon?
27 units2
33 units2
36 units2
51 units2

- anonymous

btw the 2 after the word units is to the second power.

- welshfella

you can draw a rough diagram

- welshfella

|dw:1440791385801:dw|

- welshfella

|dw:1440791526930:dw|

- anonymous

uh.. i cant really count inbetween those.. its kinda hard to read xD as well as a real graph would have the lines for cubes and the extra numbers.

- welshfella

|dw:1440791585540:dw|

- anonymous

i got 19

- welshfella

so you can either use the area formula for a trapezoid or
split it into a rectangle and triangle

- anonymous

oh wait wrong way of doing this xD i get it now hold on.

- anonymous

i got 45.5

- welshfella

I get it 42 but thats not one of the options Maybe I plotted it it wrong.

- welshfella

area of the rectangle = 5 * 7 = 35
area triangle = 1/2 * 2 * 7 = 7
total 42 units ^2

- anonymous

but thats not an answer.

- welshfella

|dw:1440791973456:dw|

- welshfella

yea i know . Can't see where i went wrong though.

- anonymous

i dont see where u went wrong either maybe just start fresh.

- anonymous

(−2, 5), (−2, −1), (5, −1), and (3, 5)

- welshfella

yea i see where i went wrong
the height is 6 not 7
|dw:1440792187204:dw|

- welshfella

so that comes to 6 * 5 + 0.5*2 * 6
= 30 + 6 = 36 unit^2

- anonymous

there we go :D

- welshfella

gotta go right now

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