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1 answer:
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Equations can have one solution, more than one solution or none at all.
- <em>The equation is an identity when the missing value is 8</em>
- <em>The equation cannot have exactly one solution</em>
- <em>The equation has exactly one solution when the missing value is anything except 8</em>
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The equation is given as:
Represent the blank with y.
So, we have:
<u>(a) The missing value when the equation is an identity equation</u>
To do this, we simply solve for y in
Open brackets
Collect like terms
Divide both sides by 2
Hence, the equation is an identity when the missing value is 8
<u>(b) The missing value when the equation has one solution</u>
In (a), we have:
For the equation to have one solution, variable x must be on either sides of the equation.
i.e. or
, where
Since x has been eliminated, then the equation can not have one solution.
<u>(c) The missing value when the equation has no solution</u>
In (a), we have:
This means that the equation will have no solution when the missing value is not 8
i.e.
Read more about equations at:
Area = Length x width
Hope this helps. - M
Hope this helps. - M
Answer:
Step-by-step explanation:
We have to organize the given polynomials from the least to greatest based on their degrees.
A). x + 2xyz
Here xyz =
Power of x is = 1
Power of y = 1
and power of z = 1
So degree of (x + xyz) will be degree of the highest degree term = 1 + 1 + 1 = 3
B). 9x³y²
Degree of this term = power of x + power of y = 3 + 2 = 5
C). 18x²+ 5ab - 6y
Degree of the polynomial = Highest degree of the variable x = 2
D).
Degree of highest degree term = 4
So sequence of the polynomials based on their degrees will be
C - A - D - B [From lowest to highest]