If x² + 16x + 15 = 0, what is the value of x?

If x² + 16x + 15 = 0, what is the value of x?

#1007 – MATH – X^2 + 16X + 15 = 0 FIND X

 

Let’s do it!

 

Problem Analysis

 

The roots of the quadratic equation ax2+bx+c=0 are the solutions of the quadratic equation, that is, they are the values of the variable (x) which satisfies the equation. The roots of a quadratic equation are the x-coordinates of the x-intercepts of the equation. The roots are also known as “solutions” or “zeros”.

 

Using the Desmos Graphing Calculator we can graph our quadratic equation.

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