college algebra
posted by confusedsteve please .
1. for the given slopeinntercept equation of the line with the following properties parallel to the line y=7; containing the (3,5)
2. write the equation of the circle in standard form. find the center, radius, intercepts.
x^2+y^2+16x18y+145=25
please show work

college algebra 
Damon
parallel to y =7 is a horizontal line
y = 0x + 5
or y = 5
complete the square a couple of times
x^2 + 16 x = y^2 + 18 y  120
x^2 + 16 x + 64 = y^2 + 18 y  56
(x+8)^2 + y^2  18 y = 56
(x+8)^2 + y^2  18 y + 81 = 25
(x+8)^2 + (y9)^2 = 5^2
center at (8,9) radius 5 etc
Respond to this Question
Similar Questions

MATH
I had an assignment containing 45 problems, and I am unsure of 4, can you check and see if the answers are correct? 
Math
I had an assignment containing 45 problems, and I am unsure of 4, can you check and see if the answers are correct? 
Math
I had an assignment containing 45 problems, and I am unsure of 4, can you check and see if the answers are correct? 
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
graph the equation x3=y (where do I plot the points? 
college algebra
Use pointslope form to write the equation of the line with the given properties. Write the equation in standard form. m is undefined passing through P(7, 7) 
College Algebra
Find the slope intercept equation of the line with the following properties: Parallel to the line 5x+2y=1; containing points (5,4) 
college algebra
Write the equation of the circle in standard form. Find the center, radius and intercepts. x^2 + y^2 + 4x + 2y  20 = 0 
calculus
I have two questions please. 1. find an equation for the line with the given properties. Express in slopeinntercept form. 2. find the equation of a line that is perpendicular to the line y=1/2x+4 and contains the point (3,0) please … 
calculus
I have two questions please. 1. find an equation for the line with the given properties. Express in slopeinntercept form. 2. find the equation of a line that is perpendicular to the line y=1/2x+4 and contains the point (3,0) please …