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Math
Precalculus Enhanced with Graphing Utilities
Chapter 1
In Problems 5–16, use a graphing utility to approximate the real solutions, if any, of each equation rounded to two decimal places. All solutions lie between - 10 and 10.

Chapter 1: In Problems 5–16, use a graphing utility to approximate the real solutions, if any, of each equation rounded to two decimal places. All solutions lie between - 10 and 10. (page 28)

$x^{3} - 4 x + 2 = 0$

Short Answer

Expert verified

The solution o the equation are $x \approx 0.54, x \approx 1.68, x \approx - 2.21$

Step by step solution

Step 1. Given equation

$x^{3} - 4 x + 2 = 0$

Step 2. Draw graph of this equation and find the x-intercept

X-intercepts are $x \approx 0.53918 \dots, x \approx 1.67513 \dots, x \approx - 2.21431 \dots$

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Most popular questions from this chapter

Solve:

$x^{2} - 4 x - 12 = 0$

The equation $2 x - y = C$ defines a family of lines, one line for each value of $C$ . On one set of coordinate axes, graph the members of the family when $C = - 4, C = 0$ and $C = 2$ . Can you draw a conclusion from the graph about each member of the family?

In Problem 17-36, solve each equation algebraically. Verify your solution using a graphing utility.

$3 x^{2} = 4 x + 4$

Find the midpoint of the line segment joining the points P₁ and P₂ .

$P_{1} = (4, - 3); P_{2} = (6, 1)$

Does every line have exactly one x intercept and one y-intercept? Are there any lines that have no intercepts?

See all solutions

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$x^{3} - 4 x + 2 = 0$

Short Answer

Step by step solution

Step 1. Given equation

Step 2. Draw graph of this equation and find the x-intercept

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Most popular questions from this chapter

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x3-4x+2=0

Short Answer

Step by step solution

Step 1. Given equation

Step 2. Draw graph of this equation and find the x-intercept

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Pure Maths

Geometry

Discrete Mathematics

Statistics

Logic and Functions

Decision Maths

Study anywhere. Anytime. Across all devices.

$x^{3} - 4 x + 2 = 0$