Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 4 - Quadratic Functions and Equations - 4-7 The Quadratic Formula - Lesson Check - Page 244: 6

Answer

Discriminnt: 273 $2$ real solutions

Work Step by Step

In the given equation, \begin{align*} x^2+17x+4=0 ,\end{align*} $a= 1 ,$ $b= 17 ,$ and $c= 4 .$ Using the Discriminant Formula which is given by $b^2-4ac,$ the value of the discriminant is \begin{align*} & 17^2-4(1)(4) \\&= 289-16 \\&= 273 .\end{align*} Since the discriminant is a non-perfect, positive number, then there are 2 real solutions.
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