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Mathematics 20 Online
OpenStudy (anonymous):

Will give medal and fan!! A pair of equations is shown below: y = 2x − 1 y = 4x − 5 Part A: Explain how you can solve the pair of equations graphically. Write the slope and y-intercept for each equation that you will plot on the graph to solve the equations. Part B: What is the solution to the pair of equations?

OpenStudy (anonymous):

They y- intercept equals for the first equation is -1 and the second intercept would be -5. and the slope would be change in y over change in x. Meaning...

OpenStudy (anonymous):

meaning y = 3 x = 2 ? @zweifel ?

OpenStudy (jdoe0001):

so have you covered "system of equations" yet?

OpenStudy (anonymous):

Yes, had a little bit of a hard time understanding it though. @jdoe0001

OpenStudy (ineedhelpfast12):

slopes would be 2 for the first one and 4 for the secod one because x is 1 and y is 2 or 4

OpenStudy (jdoe0001):

wel.... the graphical solution is when using the same value for "x" and "y" on each equation yields the other value in the equation that is, makes the equation "true" that happens graphically where the graphs both intersect, or meet

OpenStudy (ineedhelpfast12):

to find the solution, do 2x-1=4x-5, then solve for x, i believe that to be right

OpenStudy (anonymous):

Thank you both! @Ineedhelpfast12 @jdoe0001

OpenStudy (jdoe0001):

so, these are just two LINEar equations, so just grab a couple of points for each graph away, see where they meet

OpenStudy (ineedhelpfast12):

no problem

OpenStudy (jdoe0001):

yw

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