Algebra
posted by joshua .
Write the slopeintercept equation for the line through (3, 7) and (9, 3)

The slopeintercept form is y = mx + b
7 = m*3 + b
3 = m*9 + b
Subtract second equation from the first, to eliminate the unknown b.
4 = 6m
m = 2/3
7 = 2 + b
b = 9
y = (2/3)x + 9
Respond to this Question
Similar Questions

Algebra
Can someone check my answers? 1. Write the equation of the line that passes through point (–2, 3) with a slope of –4. Answer: y = 4x  5 2. Find the slope and yintercept. x = –8 Answer: Slope: undefined; yintercept: none 3. 
algebra[please check]
in questions 1 and 2, write an equation of the line in slopeintercept form. 1. the slope is 4/3; the yintercept is 2. 2. the slope is 0; the yintercept is 5. my answers: 1.y=4/32 2. y=5 ______________________ write an equation … 
math
i have more than one question so if u no any of the answers please tell me 1.) write the pointslope form of the equation of the line with slope 2 passing through the point ( 5, 9). 2.) write the pointslope form of an equation … 
Algebra..
HELP. Problems 4  7: Write an equation for the line in point/slope form and slope/intercept form that has the given condition. 4. Slope = 3/2 and passes through the origin. 5. xintercept = 4 and yintercept = 3 
Algebra II
Can you make sure my Algebra II work is correct? 
Quick math help
My math exam is coming up Friday and I need help!! Can you please guide me throgh the processes on the three questions? 
geometry
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 … 
ALGEBRA
Solve for y intercepts 7x+y=2 Answer: Y = 2 7x + 2y = 4 Answer: Y = 2  If (3,5) is a point on the graph for the equation in the form y=mx+7, then m=? 
Math
1. Use pointslope form to write the equation of a line that has a slope of 2/3 and passed through (3,1). Write your final equation in slopeintercept form. Is the answer y=2/3+1 2. Write an equation of the line that passed through … 
Math
Write the equation of the line in the indicated form that meets each criterion below. A. A line with a slope of 2/3 and a yintercept of 4; in slopeintercept form B. A line with a yintercept of – 2 and an xintercept of 3; in …