Are there any lines that cannot be written in standard form? If so which ones?
1 answer:
Answer:
Any equation that cannot be written in standard form form in nonlinear.
Step-by-step explanation:
Considering the equation in standard form as
For example here is the sample equation is in standard form.
Very much every linear equation can be written in standard form.
There are certain rules that need to be followed for any lines to be in standard form, violation of which would not let certain lines to be written in standard form. These rules are:
or
can be zero, but not both at the same time.
and
are integers
Any equation that cannot be written in this form in nonlinear.
Keywords: linear equation, standard form, nonlinear equation
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Answer:
c.7,999,999
Step-by-step explanation:
The phone number is of the form ABC - XXXX
A can be any number from 2 - 9. This means number of possible values for A are 8.
The rest of the places B,C and X can be any digit from 0 - 9. This means there are 10 possible values for each of these.
Since, value to A can be assigned in 8 ways, and to the rest of the 6 positions in 10 ways, according to the fundamental rule of counting, the total number of possible phone numbers that can be formed will be equal to the product of all the individual ways:
Total possible phone numbers = 8 x 10 x 10 x 10 x 10 x 10 x 10
Since, 1 of the given number: 867-5309 is not used, the total possible phone numbers will be:
Total possible phone numbers =
Hence, option C: 7,999,999 give the correct answer.