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Mathematics 7 Online
OpenStudy (anonymous):

Graph the equation. y = 4x – 3 A. http://i1255.photobucket.com/albums/hh639/zigzagoon20001/A_zps722e9759.png B. http://i1255.photobucket.com/albums/hh639/zigzagoon20001/B_zpse59db30d.png C. http://i1255.photobucket.com/albums/hh639/zigzagoon20001/C_zps92e82df7.png D. http://i1255.photobucket.com/albums/hh639/zigzagoon20001/D_zps499297ea.png A, B, C, or D? Explain your answer (:

ganeshie8 (ganeshie8):

lets see first, which line is rising and which line is falling, in the graph

ganeshie8 (ganeshie8):

|dw:1348474674216:dw|

ganeshie8 (ganeshie8):

left to right if its gowing down, we call it falling, okay ?

ganeshie8 (ganeshie8):

can you tell which ones are falling ?

ganeshie8 (ganeshie8):

from the given four options ?

OpenStudy (anonymous):

A and B, what do you think? Am I correct?

ganeshie8 (ganeshie8):

thats right ! since our slope is positive, our graph never falls. it rises always..

ganeshie8 (ganeshie8):

so first two are removed from our possible options

ganeshie8 (ganeshie8):

correct !

OpenStudy (anonymous):

Alright, so the answer is either C or D..

OpenStudy (anonymous):

*

OpenStudy (anonymous):

First find the x and y intercepts

OpenStudy (anonymous):

y = 4x – 3 when x = 0, y = 4(0) – 3 = -3 (0, -3) when y= 0, 0 = 4x – 3 Thus, x = 3/4 (3/4, 0) Sketch the graph using the two coordinates

OpenStudy (anonymous):

|dw:1348475064003:dw|

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