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liubo4ka [24]
3 years ago
6

The graph shows the system of equations that can be used to solve x^3+x^2=x-1.Which statement describes the roots of this equati

on?

Mathematics
2 answers:
Feliz [49]3 years ago
7 0

Answer:

Equation has 1 real root and 2 complex roots.

Step-by-step explanation:

Given : x^{3} +x^{2} =  x -1.

To find : Which statement describes the roots of this equation.

Solution : We have x^{3} +x^{2} =  x -1.

We can write it as  x^{3} +x^{2} - x -1.

Graphs of both these functions shows one common point, this means that the equation x^{3} +x^{2} =  x -1 has one real solution (approximately, x≈-1.839).

But degree is 3 .

So, it has maximum 3 root.

Therefore, Equation has 1 real root and 2 complex roots.

s344n2d4d5 [400]3 years ago
6 0

Answer:

Equation has one real root and two complex roots.

Step-by-step explanation:

The equation x^3+x^2=x-1 consists of two parts. The left side of this equation can be represented by the function y=x^3+x^2 and the right side can be represented by the function y=x-1. Graphs of both these functions are shown in the attached diagram.

These graphs have one common point, this means that the equation x^3+x^2=x-1 has one real solution (approximately, x≈-1.839).

Given equation is cubic, then this equation has three roots. Since only one root is real, then two remaining roots are complex.

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<h3><u>Solution:</u></h3>

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<em><u>Also we can frame a equation as:</u></em>

Number of child tickets bought x cost of each child ticket + number of adult tickets bought x cost of each adult ticket = 820

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Let us solve eqn 1 and eqn 2 to find values of "c" and "a"

From eqn 1,

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