cocobelle
30.06.2019 •
Mathematics
Write an equation in point-slope form and in slope-intercept form. a line passes through (1, -5)* and (-3, 7) write an equation for the line in point-slope form and rewrite the equation in slope-intercept form *this is the first point (x1, y1) plz show work
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Ответ:
Point-slope form:
y - y₁ = m(x - x₁)
You need to find "m" which is the slope.
To do so, use the slope formula and plug in the two points:
m = -3
(x₁ , y₁) = (1, -5)
Plug this into the equation:
y - y₁ = m(x - x₁)
y - (-5) = -3(x - 1)
y + 5 = -3(x - 1)
Slope-intercept form:
y = mx + b "m" is the slope, "b" is the y-intercept
In order to get the equation from point-slope form to slope-intercept form, isolate/get the "y" by itself.
y + 5 = -3(x - 1) First distribute/multiply -3 into (x - 1)
y + 5 = -3x + 3 Subtract 5 on both sides
y = -3x - 2
Ответ:
360 ooga booga.
ok forreal
x+y+310
y+x= 310
310-x=y
310-y=x
now the bottom
x-y=4
x-4=v
4+v=x
v+4=x
Step-by-step explanation:
Hope this helps.