#### Exercise 20

Chapter P, Section P.1, Page 8

ISBN: 9780547167022

Solution

VerifiedAnswered 5 months ago

Answered 5 months ago

Step 1

1 of 4By definition, to find $x$-intercept of a graph, let $y$ be zero and solve the equation for $x$.

$\begin{align*} y&=4\cdot x^{2}+3\\ 0&=4\cdot x^{2}+3\\ -3&=4\cdot x^{2} \\ \dfrac{-3}{4}&=x^{2} \\ \end{align*}$

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