Are the two terms on each tile like terms? Sort the tiles into the appropriate categories.
1 answer:
Answer:
Like terms: and
,
and
,
and
Not like terms: and
,
and
,
and
Step-by-step explanation:
Two or more terms are called like terms if they have same variables and powers.
and
are like terms because they have same variable y with same power 2.
and
are not like terms because they have same variable y with different powers.
and
are like terms because they have same variables kt with same power 1.
and
are like terms because both are constant.
and
are not like terms because one have variable and other is constant.
and
are not like terms because they have different variables.
Like terms: and
,
and
,
and
Not like terms: and
,
and
,
and
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Answer:
Option B:
Step-by-step explanation:
To obtain the inverse of the function , you need to solve the equation for the variable "x":
Now you need to exchange the variable "x" with the variable "y". Then:
Finally, you get that the inverse of the function is:
This matches with the option B.
For this case, we have the following equation (according to the comments):
First, we factor the quadratic expression in the denominator:
Then, we multiply both sides of the equation by (a-2) (a + 2):
Later, canceling similar terms we have:
We do distributive property on the left side of the equation:
By grouping variables and constant terms we have:
Rewriting we have:
Finally, by clearing "a" we have:
Note: the value of a is a extraneous solution because it makes the denominator of the original equation equal to zero.
Answer:
the student correct, but the value of a= -2 is an extraneous solution