How many variables does the equation 3x y 4 have?
As you need same number of equations as of the number of variables for finding their values. This equation contain 2 variable (x,y) so you need 2 equations to find their values, or you can just put any value of a variable let’s say (x) in this equation and find the relative value of (y).
What is a value of x?
more The letter “x” is often used in algebra to mean a value that is not yet known. It is called a “variable” or sometimes an “unknown”. In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn’t have to be “x”, it could be “y”, “w” or any letter, name or symbol.
Is 3x y 12 What is the value of 8 x 2 y?
Given 3x-y=12, find 8^x/2^y. Hence, 8^x = 2^(3x) because of law of exponent: product rule. Hence, we have (2^(3x))/(2^y). Hence, we have 2^(3x-y) because of law of exponent quotient rule.
How do you find the value of y in a equation?
The slope-intercept form of a linear equation is y = mx + b. In the equation, x and y are the variables. The numbers m and b give the slope of the line (m) and the value of y when x is 0 (b). The value of y when x is 0 is called the y-intercept because (0,y) is the point at which the line crosses the y-axis.
How do you solve math problems?
Here are four steps to help solve any math problems easily:
- Read carefully, understand, and identify the type of problem.
- Draw and review your problem.
- Develop the plan to solve it.
- Solve the problem.
How do you find value of x?
Generally, the algebraic expression should be any one of the forms such as addition, subtraction, multiplication and division. To find the value of x, bring the variable to the left side and bring all the remaining values to the right side. Simplify the values to find the result.
How do I calculate X?
Isolate “x” on one side of the algebraic equation by subtracting the sum that appears on the same side of the equation as the “x.” For example, in the equation “x + 5 = 12”, rewrite the equation as “x = 12 – 5” and solve for “x.” The solution is “x = 7.”
What is the value of P 3?
– 2
For a polynomial p (x) , the value of p (3) is – 2 .
What is the Y intercept of the line 3x y 12?
Graph the x intercept (4,0) and the y intercept (0,12) and connect them with a line.
What is Bodmas rule in maths?
BODMAS rule is an acronym that is used to remember the order of operations to be followed while solving expressions in mathematics. It stands for B – Brackets, O – Order of powers or roots, D – Division, M – Multiplication A – Addition, and S – Subtraction.