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Mathematics 20 Online
OpenStudy (help_people):

@nnesha

OpenStudy (help_people):

Which of the following statements best describes the graph of –5x + 2y = 1? It is a curve joining the points (–5, 2), (2, 3), and (4, 1). It is a curve joining the points (–1, –3), (–1, –3), and (1, 5). It is a straight line joining the points (1, 3), (3, 8), and (–3, –7). It is a straight line joining the points (4, –3), (–1, 2), and (–4, 5).

OpenStudy (help_people):

I know for this one it is a straight line, but idk what points it is joining

OpenStudy (help_people):

The two lines, X and Y, are graphed below: Line X is drawn by joining ordered pairs negative3,12 and 7,negative16. Line Y is drawn by joining ordered pairs 0, negative14 and 11, 8 Determine the solution and the reasoning that justifies the solution to the systems of equations. (2, 7), because this point is true for both the equations (4, –6), because this point lies only on one of the two lines (4, –6), because this point makes both the equations true (2, 7), because the lines intersect the x-axis at these points

OpenStudy (help_people):

OpenStudy (help_people):

this one i believe is c for both of these questions i used desmos

Nnesha (nnesha):

\(\color{blue}{\text{Originally Posted by}}\) @help_people I know for this one it is a straight line, but idk what points it is joining \(\color{blue}{\text{End of Quote}}\) use order pair and substitute x and y values in the equation -5x + 2y = 1? if you both sides are equal then that would be your answer

OpenStudy (help_people):

ok

OpenStudy (help_people):

i got c

OpenStudy (help_people):

how about the second one?

OpenStudy (help_people):

@Nnesha

Nnesha (nnesha):

what's the solution points of the 2nd one ?

OpenStudy (help_people):

(4,-6)

Nnesha (nnesha):

yes right

Nnesha (nnesha):

so which one is your answer ? remember how we find out answer of last question :-)

OpenStudy (help_people):

c

Nnesha (nnesha):

yes right when you replace x and y values int both equation you would get equal sides

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