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Solve the system by substitution x= 5 - y x-y=3?
2
Solve x plus y equals -4 x - y equals 2?
-2
What is the inverse function of 7 - 2x?
5
If y varies directly with x and y equals 6 and x equals -3 find y when x equals 4?
y/x is a constant; so first of you can solve for this constant. y/x=6/-3, or y/x=-2 y/4=-2 y=-8
How do you determine x and y in the same mathematical problem?
substitute 0 for y and solve for x. then substitute x for 0 and solve for why and you have the x and y coordinates
How do you calulate intercept?
x-intercept: 1. substitute 0 for y 2. solve for x y-intercept: 1. substitute 0 for x 2. solve for y
How do you solve y plus x divided by 2 equals negative 4 when x is 2?
First, solve for y.y=-8xif x=2, then y=-16.
How do you solve y-6-2(x 2)?
If you mean: y-6-2(x+2) then it can be simplified to y-2x-10
Solve the system by substitution x= 5 - y x-y=3?
2
How do you the solve the equation x equals 2y in terms of x?
To solve for y in terms of x, divide both sides of the equation by 2: y = x/2.If x=2y then you have already solved for x.
What does y equals x plus 2 equle?
y=x+2 is also equal to y-2=xy = x + 2 , they have to be given what either x or y is and then you'd solve for the other one
What is inverse of y equals 2radical x plus 3?
To find the inverse you switch the x and the y and then solve for y. x=2 radical( y + 3) radical(y + 3) = x/2 y+3= (x/2)² y = (x/2)² -3 So the answer is y = (x/2)² -3
What is the y-intercept of the function f(x) 5(x - 2)?
The y-intercept is where x = 0. Therefore, you can write:f(x) = 5(x-2)y = 5(x-2)... then you can replace "x" by zero, and solve for y.
How do you solve y equals -x - 5 if x equals -2?
7
How do you find the y-intercept in a nonlinear equation?
Put in zero for the x value and solve for y. Example: x^2 + y^2 = 4 If x=0, y^2=4 So y = 2 or -2
How do you solve y -x 1 if x -3?
4
The sum if two numbers is 25 and the difference of their squades is 75 What are the two numbers?
Set up a system of equations. x+y= 25 & x^2 - y^2 = 75. Rearrange the first equation to isolate x.... x=25-y Now substitute x in to the 2nd equation. (25-y)^2 - y^2 = 75. Solve that equation to get the value of y and plug y into x+y=25 and solve for x.
