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March 5, 2015

March 5, 2015

Posted by **Jacob** on Monday, October 18, 2010 at 10:34pm.

(-1/3,0) and (-1/2,-1/2)

Choices:

-3

1/3

-1/3

3

2. Write in standard form an equation of the line passing through the given point with the given slope.

Slope=8/7; (5,-3)

Choices:

-8/7x+y=-61/7

-8/7x-1=-61/7

-8/7x+y=61/7

8/7x+y=-61/7

- NEED HELP POSTED TWICE -
**Ms. Sue**, Monday, October 18, 2010 at 10:37pmYou're more likely to get help if you post what you think are the answers.

- NEED HELP POSTED TWICE -
**Reiny**, Monday, October 18, 2010 at 10:44pmslope = difference in y values/difference in x values

= (-1/2 - 0)/(-1/2 + 1/3)

= (-1/2) / (-1/6)

= (1/2)(-6) = 3

2. y = (8/7) + b

sub in the given point

-3 = (8/7)(5) + b

multiply by 7

-21 = 40 + 7b

b = -61/7

y = (8/7)x - 61/7 or

(8/7)x - y = 61/7

better form would be

8x - 7y = 61

btw, none of your answers match with

(8/7)x - y = 61/7 which is the answer in the form of the other answers.

I would not consider any of the given answers to be in standard form

Most text books consider "standard" form to be in the form

ax + by = c, where a,b, and c are integers.

- NEED HELP POSTED TWICE -
**Reiny**, Monday, October 18, 2010 at 10:46pmMy first line of #2 should have been

2. y = (8/7)x + b

- NEED HELP POSTED TWICE -
**Ted**, Monday, October 18, 2010 at 10:47pmyeah, i agree with reiny

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