Graph the equation y=x2−4x−5 on the accompanying set of axes. You must plot at least 7 points.?
Graph the equation y=x2−4x−5 on the accompanying set of axes. You must plot at least 7 points.
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Graph the equation y=x2−4x−5 on the accompanying set of axes. You must plot at least 7 points.
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Pick 7 values of x and calculate the y-value, then plot the points and draw a smooth curve through them :
x . . . y
-3 . . 16 . . . . . [ (-3)^2 - 4(-3) - 5 ] = ( 9 + 12 - 5 ) = 16
-2 . . 7 . . . . . . [ (-2)^2 - 4(-2) - 5 ] = ( 4 + 8 - 5 ) = 7
-1 . . 0 . . . . . . [ etc. ]
0 . . - 5
1 . . - 8
2 . . - 9
3 . . - 8
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Here's what your graph should look like :
http://s1164.photobucket.com/albums/q561/iago9/?ac...
because of the fact the factor lies on the graph of the given equation, that's going to fulfill the given equation. exchange the x and y co-ordinates of the factor interior the equation. (3*4) = (a*3) + 7 12 = 3a + 7 12 - 7 =3a 5 = 3a 5/3 = a subsequently, a = (5/3)