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I have a maths question i dont get please help me!"Describe fully the graph which has the equation x² + y² = 16."?

It's a circle. The equation of a circle is x^2+y^2=r^2. So the equation you've given is a circle with a radius of 4 and, since there are no modifications to the x or y values, the center of the circle is located at (0,0).


How do you solve the equation y 2 x 1?

Normally you would need the remainder of the equation to solve it. However, anything times one equals itself, so the answer (in part) is "2y". Remember, you can't solve the equation fully without finding the value of 'y', and you cannot find the value of 'y' unless you know what resides on the other side of the equal sign.


What is 18x plus 24 factorised fully?

18x + 24 6(3x + 4) is factored fully


How do i factorise fully 10x - 15xy?

-5


How do you find the center of the circle given an equation?

A circle with center (xo, yo) and radius r has an equation of the form: (x - xo)2 + (y - yo)2 = r2 which can be rearranged to: x2 - 2xox + xo2 + y2 - 2yoy + yo2 = r2 ⇒ x2 - 2xox +y2 - 2yoy + xo2 + yo2 - r2 = 0 or x2 - 2xox +y2 - 2yoy = r2 - xo2 - yo2 So depending how your equation is given, the center can be read directly from the equation (first form above) or is -1/2 times the coefficients of the x and y terms. eg: What is the center of the circle with equation x2 - 4x + y2 + 6y + 12 = 0 The coefficients of the x and y terms are -4 and +6, so the center is -1/2 times these, namely; (2, -3). Fully rearranging the circle's equation: x2 - 4x + y2 + 6y + 12 = 0 ⇒ (x - 2)2 - 4 + (y + 3)2 - 9 + 12 = 0 [completing the squares] ⇒ (x - 2)2 + (y + 3)2 - 1 = 0 ⇒ (x - 2)2 + (y + 3)2 = 1 ⇒ circle has centre (2, -3) and radius 1.

Related Questions

What is partial equation?

It is just one component of the fully completed equation.


What is the answer to 5.7d-23.2d-8?

there is no answer.... what does this expression equal? you could simplify to -17.5d-8 but still without an equals sign there is no solutionTiesonthewall: Well, you can still reduce the equation without having it equal something.So in this case the fully reduced equation would be:* -17.5d - 8 It would just be an algebraic expression. Not necessarily an equation.


What is chianti reduction?

a fully reduce veal sauce and heavy cream at the end


Is an battier isolater needed for 2 auto 12volt if in parallel?

Not if both batteries are of similar capacity and fully charged.


How can you have your period?

well you reduce it by developing fully and then in a while you will have it duhhh!! dont you have a class about that in the fifth grade?:p


How do you reduce errors in experiments?

Do them Care fully and make sure you think of everything possible that could happen


What is an explaination of 4 bit parallel adder?

By connecting four complete adders that run a distance at two equal amounts to one another and with a numbering range of 0-15 a 4 bit parallel can be fully implemented.


Should a fully charged battery freeze?

They all can but rarely freeze solid but cold temp does reduce power


How can fully polarized light be generated by reflection?

Fully polarized light can be generated by reflection when unpolarized light strikes a surface at a specific angle known as the Brewster angle. At this angle, the reflected light becomes completely polarized, with the electric field oscillating in a single plane. This phenomenon occurs because the reflected light waves are parallel to the surface, causing the perpendicular component to be absorbed, leaving only the parallel component to create fully polarized light.


What are the factors that contribute to achieving fully developed laminar flow between two parallel plates?

The factors that contribute to achieving fully developed laminar flow between two parallel plates include the viscosity of the fluid, the distance between the plates, the velocity of the fluid, and the length of the flow path. These factors determine the smooth and orderly flow of the fluid between the plates.


Why an unbalanced equation cannot fully describe a reaction?

An unbalanced equation (skeleton equation) only indicates the nature of the reactants and products but tells nothing of the stoichiometric ratios, i.e. it tells nothing of how much of each species is present, not which reactant might be in excess or limiting, etc.


How does Amdahl's Law not apply to parallel computers?

Amdahl's Law does not fully apply to parallel computers because it assumes a fixed problem size and focuses on the speedup achievable by parallelizing a portion of the computation. In contrast, parallel computers can scale with increasing problem sizes and can achieve greater speedup by distributing work across multiple processors.