Table of Contents
- 1 What is a formula or equation for a specified variable means to rearrange it so that the variable appears alone on one side of the equal sign?
- 2 How do you solve an equation for a specific variable?
- 3 What does the B represent in the equation?
- 4 Why is it useful to solve a formula for a specific variable?
- 5 Which is the correct way to rearrange an equation?
- 6 Is the equals sign the fulcrum of an equation?
What is a formula or equation for a specified variable means to rearrange it so that the variable appears alone on one side of the equal sign?
Term. Solve to. Definition. A formula or equation for a specified variable means to rearrange it so that the variable appears alone on one side of the equal sign. Term.
How do you move a variable to the other side of an equation?
RULE #2: to move or cancel a quantity or variable on one side of the equation, perform the “opposite” operation with it on both sides of the equation. For example if you had g-1=w and wanted to isolate g, add 1 to both sides (g-1+1 = w+1).
How do you solve an equation for a specific variable?
To solve a formula for a specific variable means to get that variable by itself with a coefficient of 1 on one side of the equation and all the other variables and constants on the other side. We will call this solving an equation for a specific variable in general.
What equation is an equation that expresses a relationship among variables?
A formula is an equation that expresses a relationship between two or more variables. The process of finding formulas to describe real-world phenomena is called mathematical modeling. Such formula are often called mathematical models (or just models).
What does the B represent in the equation?
In the equation of a straight line (when the equation is written as “y = mx + b”), the slope is the number “m” that is multiplied on the x, and “b” is the y-intercept (that is, the point where the line crosses the vertical y-axis). This useful form of the line equation is sensibly named the “slope-intercept form”.
How do you solve an equation with 2 variables?
Method of Substitution
- Step 1: Solve one of the equations for one variable.
- Step 2: Substitute this in the other equation to get an equation in terms of a single variable.
- Step 3: Solve it for the variable.
- Step 4: Substitute it in any of the equations to get the value of another variable.
Why is it useful to solve a formula for a specific variable?
It is often helpful to solve a formula for a specific variable. We isolate that variable on one side of the equals sign with a coefficient of one and all other variables and constants are on the other side of the equal sign. Geometric formulas often need to be solved for another variable, too.
What happens when you rearrange an equation so that the unknown variable is by itself?
Rearrange the equation so that the unknown variable is by itself on one side of the equals sign (=) and all the other variables are on the other side. RULE #1: you can add, subtract, multiply and divide by anything, as long as you do the same thing to both sides of the equals sign.
Which is the correct way to rearrange an equation?
Rearrange the equation so that the unknown variable is by itself on one side of the equals sign (=) and all the other variables are on the other side. RULE #1: you can add, subtract, multiply and divide by anything, as long as you do the same thing to both sides of the equals sign. and rearrange it.
How does the equals sign work in an equation?
In an equation, the equals sign acts like the fulcrum of a balance: if you add 5 of something to one side of the balance, you have to add the same amount to the other side to keep the balance steady. The same thing goes for an equation – doing the same operation to both sides keeps the meaning of the equation from changing.
Is the equals sign the fulcrum of an equation?
RULE #1: you can add, subtract, multiply and divide by anything, as long as you do the same thing to both sides of the equals sign. In an equation, the equals sign acts like the fulcrum of a balance: if you add 5 of something to one side of the balance, you have to add the same amount to the other side to keep the balance steady.