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How do you solve this equation and check you answer 2x-3y equals 8 x-2y equals 2?
x=10 y=4
What are some ways to check your solution?
That depends a lot on what exactly you want to check. For example:* You can check a division, by doing the corresponding multiplication. * You can check the solutions to an equation, by replacing the variable with the purported solution and doing the calculations.
Is point 1 2 represented by the equation x plus 2y equals 5?
To check this, you substitute the values for x and y into the equation. At (1,2) x equals 1 and y equals 2 so substituting this in we get: x + 2y = 1 + 2(2) = 1 + 4 = 5 And since it equals 5 like in the original equation the point is represented by it.
What is a check of a math equation?
I think you are referring to checking a math equation. After you solve an equation you should go back and check your work to make sure you got the right answer. You can do this by plugging your answer back into the equation
How do you check whether the equation 7x2x is quadratic?
If it doesn't have an equal sign, then it's an expression, not an equation. The expression 7x2x is quadratic, because it equals 14x², and something is quadratic if it contains the squared exponent ².
When solving a rational equation why is it necessary to perform a check?
It is important to check your answers to make sure that it doesn't give a zero denominator in the original equation. When we multiply both sides of an equation by the LCM the result might have solutions that are not solutions of the original equation. We have to check possible solutions in the original equation to make sure that the denominator does not equal zero. There is also the possibility that calculation errors were made in solving.
What equation can be used to check 5 plus 4 equals 9?
Addiction
What is the extraneous solution to w equals sqrt 7w?
An "extraneous solution" is not a characteristic of an equation, but has to do with the methods used to solve it. Typically, if you square both sides of the equation, and solve the resulting equation, you might get additional solutions that are not part of the original equation. Just do this, and check each of the solutions, whether it satisfies the original equation. If one of them doesn't, it is an "extraneous" solution introduced by the squaring.
How do you solve this equation and check you answer 2x-3y equals 8 x-2y equals 2?
x=10 y=4
When you find the value of a variable you solve or check an equation?
when you find the value, you SOLVED the equation. you CHECK the equation when you substitute the value in the variables place and check that the equation is true.
What are some ways to check your solution?
That depends a lot on what exactly you want to check. For example:* You can check a division, by doing the corresponding multiplication. * You can check the solutions to an equation, by replacing the variable with the purported solution and doing the calculations.
How would you use a T-table to determine 3 solutions to this equation 4x - 2y equals 8?
A quadratic equation is defined as an equation in which one or more of the terms ... In Geometry, we will concentrate on the graphical solutions to these systems. ... You can use the same table of values and simply find the y values for the straight line. ... Check (5,3) y = x2 - 4x - 2 3 = 52 - 4(5) - 2 3 = 3 check, y = x - 2 3 = 5 - 2
In general when solving a radical equation should you first isolate the radical and then both sides?
It often helps to isolate the radical, and then square both sides. Beware of extraneous solutions - the new equation may have solutions that are not part of the solutions of the original equation, so you definitely need to check any purported solutions with the original equation.
When do you need to check for extraneous solutions?
You need to check for extraneous solutions when solving equations containing variables in denominators or within radical expressions. These solutions may arise from introducing new roots or excluded values during manipulations, which need to be verified to ensure they are valid in the original equation.
What is the solition to this nonstandard equation -4 plus x -7?
-11
How many solutions does an equation have when you isolate the variable and it equals a constant?
it depends. if (for example) y=x2 then there are an infinite amount of answers. if there is an equation like: If (variable X)= (variable Y) + 5 and if X=5, what is Y? then there is only one answer. check an algebra book, it can give you a more detailed answer.
How can the reflexive property be applied to check the accuracy of a solution to an equation?
how can the reflexive property be applied to check the accuracy of a solution to equation?
