2.1 Combining Like Terms
In the expression 2x-5y+3x, the 2x and 3x are called _?_.
like terms
The symbol =? is used to _?_ the solution in the given equation.
The _?_ property of equality allows us to multiply or divide both sides of an equation by the same nonzero number.
multiplication
Half the diameter is the _?_.
radius
ratio
When we apply the distributive property on -4(x+2), we obtain _?_.
-4x-8
The strategy for solving a linear equation in one variable includes a process to _?_ the variable.
isolate
To solve an equation involving fractions, you may want to first multiply both sides of the equation by the fractions' _?_ to change the fractions into integers.
LCD
Interest is found by multiplying the principal times the rate times the _?_.
time
A _?_ is a statement of equality between two ratios.
proportion
In the expression 2x-5y+3x, the 2x and -5y are called _?_.
unlike terms
Another way of saying multiplicative inverse is _?_.
reciprocal
The solution to an identity is _?_.
all real numbers
Area is measured in _?_ units.
square
A method for solving proportions is _?_.
cross-multiplying
In the expression 2x-5y+3x, the 2, -5, and 3 are called _?_.
coefficients
To solve the equation (1/3)x=5, multiply both sides by _?_.
3/1
A contradiction is true for _?_.
no solution
or no real numbers
An equation used to express a specific relationship mathematically is called a _?_.
formula
In the proportion a/b=p/q, the a and q are called _?_.
extremes
In the expression 5x-3y+17, the 17 is called a _?_ term.
constant
Two numbers equal to their own reciprocal are _?_ and _?_.
1 and -1
If a linear equation has a specific solution, it is called a(n) _?_.
conditional equation
When the circumference of a circle is divided by its diameter, the result is _?_.
pi
In the proportion a/b=p/q, the b and p are called _?_.
means