Chapter 9.3, Problem 3P

Solve each equation by graphing the related function. If the equation has no real-number solution, write no solution.

$2x^2-18=0$

To determine

To find: The real solution of the given equation.

Answer to Problem 3P

The real solution of the given equation are $x=3$ and $x=-3$ ..

Explanation of Solution

Given information: Solve given equation by graphing the related function. If the equation has no real-number solution, write no solution.

Calculation:

Equation $2x^2-18=0$

Graph of function $f\left(x\right)=2x^2-18$

Equation $2x^2-18=0$ cross the $x-axis$ at $x=3$ and $x=-3$ . These are the solution of the given equation