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Sagot :
(C) [tex]8x^{3} -7x^{2} -6x+5[/tex] represents a cubic expression.
What is a cubic expression?
- A cubic polynomial has the generic form [tex]p(x): ax^{3} +bx^{2} +cx+d[/tex], a 0, where a, b, and c are coefficients and d is the constant, all of which are real integers.
- A cubic equation is one that involves a cubic polynomial.
To determine which expression represents a cubic expression:
- [tex]8x^{3} -7x^{2} -6x+5[/tex] is a cubic expression.
- The variable is x.
- [tex]8x^{3} -7x^{2} -6x+5[/tex] : The variable x has the highest power as 3.
- [tex]8x^{3} -7x^{2} -6x+5[/tex] is a polynomial.
- [tex]-7x+4[/tex] is a linear expression because the highest power of the variable x is 1.
- [tex]7x^{2} -5x+6[/tex] is a quadratic expression because the highest power of the variable x is 2.
- [tex]9x^{4} +8x^{3} -6x^{2} -2x+11[/tex] is a polynomial with the highest power of the variable being 4.
Therefore, (C) [tex]8x^{3} -7x^{2} -6x+5[/tex] represents a cubic expression.
Know more about a cubic expression here:
https://brainly.com/question/27973261
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The complete question is given below:
Choose the expression that represents a cubic expression.
(A) −7x + 14
(B) 7x2 − 5x + 6
(C) 8x3 − 7x2 − 6x + 5
(D) 9x4 + 8x3 − 6x2 − 2x + 11
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