y=mx t b

ax t by=c
ax t by t c= 0
Need every question for all 3 above
how do u do these im so confused i need help! thanks
8) Through (4,0) and slope of -1
0) through (4,5) with slope -8
10) through (-2,4) with slope 7 over 3
11)through (-2,-1) with slope of 0
13)through (3,2) and parallel to the
line 4x t 5y+7
1

1 answer

I do not know what you want about y = m x + b
However I do understand below
8) Through (4,0) and slope of -1
y = - x + b
0 = -4 + b
b = 4
so
y = -x + 4

0) through (4,5) with slope -8
y = -8 x + b
5 = -8*4 + b
5 = -32 + b
b = 37
so
y = -8 x + 37

10) through (-2,4) with slope 7 over 3
y = (7/3) x + b
3 y = 7 x + 3 b
3*4 = 7*-2 + 3 b
12 = - 14 + 3b
26 = 3 b
so
3 y = 7 x + 26

11)through (-2,-1) with slope of 0
slope of zero means constant y
y = -1

13)through (3,2) and parallel to the
line 4x t 5y+7
1
do not understand
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