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January 25, 2015

January 25, 2015

Posted by **Andrea** on Thursday, October 4, 2012 at 12:50pm.

1. Write an equation of the line with a slope of 5 and a y-intercept of -3.

y=5x-3

2. Write the equation of a line that passes through (9, 3) and has a slope of 2/3

y-3=-2/3(x-9)

y-3=-2/3x+6

+3 +3

y=-2/3x+9

3. Write the equation of a line the line that passes through (3, 9) and is parallel to the line y = 5x - 15.

y-9=5(x-3)

y-9=5x-15

+9 +9

y=5x-6

4. Write an equation of the line that passes through (1, -1) and is perpendicular to the line y=-1/2+6.

y+1=2(x-1)

y+1=2x-2

-1 -1

y=2x-3

5. Write an equation of a line that passes through (8, 5) and (11, 14)

14-5 /11-8= 9/2

y-5=9/2(x-8)

y-5=9/2x-36

+5 +5

y=9/2x-31

- Algebra II -
**Reiny**, Thursday, October 4, 2012 at 1:02pmThe first 4 are correct

In #5 you got 11-8 = 2 , should have been 3

I trust you can correct it accordingly, you appear to know what you are doing.

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