Ken predicts that the average temperature will be −5°C in December. If he predicts the temperature will rise 6°C in January and
1 answer:
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Option a: Quadratic expression
Explanation:
The expression is
Option a: Quadratic expression
The quadratic expression is an expression in which the highest power or degree of a variable is 2.
Thus, from the expression the highest power of the variable is 2.
Hence, the expression is quadratic
Option a is the correct answer.
Option b: Linear expression
The linear expression is of the form
Since, the expression is not of the form
, it is not a linear expression.
Hence, Option b is not the correct answer.
Option c: Cubic expression
The cubic expression is an expression in which the highest power or degree of a variable is 3.
Since, the expression does not have the highest power 3, it is not a cubic expression.
Hence, Option c is not the correct answer.
Option d: Exponential expression
The exponential expression indicates the number of times the base is used as a factor.
Since, the expression does not indicates the number of times the base is used as a factor, it is not exponential expression.
Hence, Option d is not the correct answer.