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How do you do equations and graphs for slope?
The equation for the slope between the points A = (x1, y1) and B = (x2, y2) = (y2 - y1)/(x2 - x1), provided x1 is different from x2. If x1 and x2 are the same then the slope is not defined.
Which of the following circle equations represents a circle whose center is at points 0 0?
x2 + y2 = r2
Do linear equations contain x squared?
No, linear equations don't have x2. Equation with x and y are usually linear equations. Equations with either x2 or y2 (but never both) are usually quadratic equations.
Examples of nonlinear equations?
y=x2 and y=lnx are two examples of nonlinear equations.
What are the coordinates for x2 plus y2 equals 185 and x plus y equals 17?
We believe that those equations have no real solutions, and that their graphs therefore have no points of intersection.
How many points does the circle x2 plus y2 equals 36 and the line y equals x-10 have in common?
X2 + Y2 = 36Y = (+/-) sqrt(36 - X2)=====================Radius = 6 (the circle is nicely oriented )andY = X - 10zeroing out variables in turnY = (0) - 10Y = - 10=======================With a radius of only six for the circle and the line with these intersection points we can say with some confidence that this circle has no points in common with this line.
Which equations correctly represents a circle centered at the origin with a radius of 5?
x2 + y2 = 25radius of 10?x2 + y2 = 100
How do you solve for slope from two points and a graph?
Points: (x1, y1) and (x2, y2) Slope: y1-y2/x1-x2
Why was complex numbers dicovered?
To solve equations like x2+a=0 with a>0
What is a common factor of x2-16 and x2-4x?
x2 - 4
What are the points of intersection between the equations of 2x plus y equals 5 and x2 -y2 equals 3?
It works out that the points of intersection between the equations of 2x+5 = 5 and x^2 -y^2 = 3 are at: (14/3, -13/3) and (2, 1)
What are Quadratics?
Equations with an order of 2 (contains a value to the power of 2, i.e. x2). An example of a quadratic equation is: x2 + 10x + 7
