SOLUTION: solve each equation by graphing the related function. i'm not sure what we're supposed to find, the zeros? i know the answer is (4, -4), but i'm not sure how to get this answer.

Algebra.Com
Question 414116: solve each equation by graphing the related function. i'm not sure what we're supposed to find, the zeros? i know the answer is (4, -4), but i'm not sure how to get this answer.
x^2=16
x sqaured equals 16
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi

Solving:  That is, finding the values of x where the graph crosses the x-axis

x^2=16

x = ± 4    |Taking the square root of both sides of the Equation



 

RELATED QUESTIONS


I have to find the zeros or roots of each function or equation by factoring & graphing.

 (answered by robertb,stanbon,mananth)

Would you pls help me with this, I fell that is not very difficult but I don’t know what... (answered by lynnlo)

I am supposed to re-write the equation to be a function of x??


-3x + 4y =... (answered by 303795)

Find all solutions (x,y) in positive integers to:
13x + 14y = 2008

I know we are... (answered by ewatrrr,fcabanski)

I am supposed to solve 3x^2-17x+5 by graphing and I am having trouble finding the zeros... (answered by stanbon)

how do you find the slope of a line when your only given two points? we are required to... (answered by drk)

I am supposed to "Solve each quadratic equation by completing the square. Leave your... (answered by Earlsdon,solver91311)

I have a pretty interesting problem today:

I am told to use a graphing calculator and... (answered by ewatrrr)

I am supposed to come up with a quadratic equation and then solve it related to my field... (answered by stanbon)