In the coordinate plane, a circle has a center (2, -3) and the circumference passes through the point (5, 0). What is the area of the circle? At what points does the curve f(t) = (2et, 2e - t, 2) intersect the sphere x^2 + y^2 + ...
In the standard (x, y) coordinate plane, the center of the circle shown below lies on the y-axis at y= 3. If the circle is also tangent to the x-axis, then what is the equation of the circle? ( ) A. x^2+(y-3)^2=6 B. x^2+(y-3)^2=9 C. x^2+(y+3)^2=9 D....
If a right triangle is placed in a unit circle in the cartesian coordinate plane, with hypotenuse, base, and altitude measuring 1, x, y units respectively, then the unit circle identities can be given as,sin(θ)=y cos(θ)=x tan(theta)=sinθcosθ=yx sec(θ)=1x cosec(θ)=1y cot...
The Equation of a Circle:The equation of a circle is an equation that defines a circle drawn on the coordinate plane. It assumes the form of {eq}(x-a)^2+(y-b)^2=r^2 {/eq}, where {eq}r {/eq} is the radius of the circle and {eq}(a, b) {/eq} is the coordinat...
In the coordinate plane, a circle has a center (2, -3) and the circumference passes through the point (5, 0). What is the area of the circle? 1) What is the circumference of the circle if the radius is 5? 2) What is the ...
Analyze the following graphs and circle the best answer.Line r is shown on the coordinate plane below. Line w will also be shown on the grid.Line w has the same slope as line r and a y-intercept that is greater than the y-intercept of line r. If the equations of the lines are ...
What is the standard form equaton of a circle? Answer: is a way to express thedefinition of a circleon the coordinate plane. The formula is(x−h)2+(y−k)2=r2(x−h)2+(y−k)2=r2. handkare the x and y coordinates of the center of thecircle ...
A circle in the xy-plane has the equation shown above. What is the y-coordinate of the center of the circle? Correct answer:30 Difficulty level:3 14.A circle in the xy-plane has its center at the point(-6,1). If the point (7,12) lies on the circle, what is the radius of ...
SAT考试备考数学题目40. Circle Equation
These special right triangles are used in reference to the unit circle. The example below shows a graphic of the unit circle: An example of the unit circle on the coordinate plane When applying special right triangles to the unit circle there is a clear relationship between the special right ...