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Chapter 3: Q18. (page 202)

Find the root of each equation.

0=2x+8

Short Answer

Expert verified

The required root is represented by x=鈭�4.

Step by step solution

01

Step 1. Determine the method which can be used to determine the required root.

The equation that represents the value of x will represent the required root.

02

Step 2. Determine the value of x. 

Perform subtraction of 8 from both sides of the provided equation.

鈭�8=2x+8鈭�8鈭�8=2x

Perform division of 2 from both sides of the equation.

鈭�82=2x2鈭�4=xx=鈭�4

03

Step 3. Write the conclusion.

The obtained equationx=鈭�4 is the required root.

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Most popular questions from this chapter

Graph each equation.

2x鈭�3y=6

Solve each equation.

0=21+3x

Determine whether each equation is a linear equation. Write the equation in standard form.

13y=鈭�1

Suppose yvaries directly as x. Write a direct variation equation that relates x and y. Then solve

Ify=2whenx=鈭�12, what is y whenx=鈭�4?

Determine whether each equation is a linear equation. Write yes or no. If yes, write the equation in standard form.

y=鈭�4x+3
See all solutions

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