geometry

the rectangular form of the equation r=5
a.x^2+y^2=5
b.x^2+y^2=25
c.x+y=5
d.x+y=25

1. 👍
2. 👎
3. 👁
1. well, r^2 = x^2+y^2, so ...

1. 👍
2. 👎

Similar Questions

1. algebra 2

a quadratic equation can be written in vertex form or in standard form. sometimes one form is more beneficial than the other. identify which form would be more helpful if you needed to do each task listed below and explain why. a.

2. algebra 2

A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than the other. Identify which form would be more helpful if you needed to do each task listed below and explain why a.

3. algebra

Recall that the standard form of a linear equation is Ax+By=C. Rewrite this equation in slope-intercept form

4. Pre-Calculus HELP!

change the polar equation r=5/1+cos(theta) to rectangular form. How do I do this? Thank you! :)

1. Math

1. Use point-slope form to write the equation of a line that has a slope of 2/3 and passes through (-3, -1). Write your final equation in slope-intercept form. 2. Write the equation in standard form using integers (no fractions or

2. Math

1. Find the slope of the line that passes through the points (-1, 2), (0, 5). 2. Suppose y varies directly with x, and y = 15 and x = 5. Write a direct variation equation that relates x and y. What is the value of y when x = 9? 3.

3. algebra 2 pls help

A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than the other. Identify which form would be more helpful if you needed to do each task as listed below and explain why.

4. Calculus

Write the polar equation in rectangular form. r = 12 sin theta Write the rectangular equation (x + 7)^2 + y^2 = 49 in polar form

1. Algebra

how to solve this: what is the largest rectangular area that can be enclosed with 400 ft of fencing? What are the dimensions of the rectangle? Could someone write the equation. I know how to solve it without an equation but I want

2. algebra

The standard form of a linear equation is Ax+By=C, where A and B are not both 0, and A is nonnegative. Explain why each equation is not written in standard form. Write the equation in standard form and identify the constants A, B,