WebI approached it by using one property of expectation: expectation of the sum is equal to expectation of it's parts. So, I did: E [ ( 2 X + 3) 2] = E [ 4 X 2 + 12 X + 9] = 4 E [ X 2] + 12 … Weby=-2x-2 Geometric figure: Straight Line Slope = -4.000/2.000 = -2.000 x-intercept = -2/2 = -1 y-intercept = -2/1 = -2.00000 Rearrange: Rearrange the equation by subtracting what is …
Solving Identity Equations Brilliant Math & Science Wiki
WebFactor x^{2}-2x+1. In general, when x^{2}+bx+c is a perfect square, it can always be factored as \left(x+\frac{b}{2}\right)^{2}. ... that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. The values of r and s are equidistant from the center by an unknown quantity u. WebAlgebra. Equation Solver. Step 1: Enter the Equation you want to solve into the editor. The equation calculator allows you to take a simple or complex equation and solve by best method possible. Step 2: Click the blue arrow to submit and see the result! john walt obituary memphis tn
Graph y=2x-3 Mathway
Web13 dec. 2016 · Comparing the above equation with the general equation:- ax²+bx+c = 0 So the value of the constants will be:- a=2, b=3 c=7 Hence the value of the constants is a=2, b=3 and c=7 for the given quadratic equation. To know more about quadratic equations follow brainly.com/question/1214333 #SPJ2 Advertisement belowtheoakleytree Answer: … Web13 dec. 2016 · Comparing the above equation with the general equation:- ax²+bx+c = 0 So the value of the constants will be:- a=2, b=3 c=7 Hence the value of the constants is … WebFirst we need to identify the values for a, b, and c (the coefficients). First step, make sure the equation is in the format from above, ax^2 + bx + c = 0 ax2 +bx +c = 0: x^2+4x-21=0 … john waltham