geometry
posted by Savannah .
I would love for someone to check my work on the seven problems that I did. I would be eternally grateful. I am going to list my problems and answers. Even if you only want to check one of them, that would be great.
1. Write an equation of a line in point slope form that has a slope of 3 and passes through the point (3, 4).
I got y=3x+13
2. Write the equation of a line in point slope form that has a slope of 3/4 and passes through the point (4,5).
I got y=3/4x+8
3. Write the equation of a line in slope intercept form that passes through the points (2, 7) and (3, 12)
I got y=x+9
4. Write an equation of a line in slope intercept form that is parallel to y=3x+6 and passes through point (10, 2.5).
I got y=3x+32.5
5. Write an equation of a line in slope intercept form that is perpendicular to y=4x2 and passes through the point (16, 11).
I got y=1/4x7
6. Write an equation of a line in slope intercept form that is parallel to the line x+4y=6 and passes through 8, 5).
I got y=x+28
7. Write an equation of a line in slope intercept form that is perpendicular to the line 2x3y=12 and passes through the point (2, 6).
I got 1/2x17

geometry 
Damon
1. Write an equation of a line in point slope form that has a slope of 3 and passes through the point (3, 4).
I got y=3x+13
Hey  you do not need me to check. Just put the point back in
what is y if x = 3 ????
y = 3 (3) + 13
y = 9 + 13 = 4
Right :) 
geometry 
Damon
HOWEVER it said "point slope form"
y  y1 = m(x  x1)
y  4 = 3 (x  3)
or in other words
y + 4 = 3 (x3) 
geometry 
Damon
Now number 4 asks for "slope intercept form"
y = m x + b
m = 3 yes same slope
2.5 = 3(10) + b
2.5 = 30 + b
b = 32.5
so we agree 
geometry 
damiano
i got y= 4x + 19
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