spowell5993
19.11.2020 •
Mathematics
Write a linear equation that passes through the point (2,-9) and has a slope of 5
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Ответ:
y=-5x+1
Step-by-step explanation:
y-y1=m(x-x1)
y-(-9)=-5(x-2)
y+9=-5x+10
y=-5x+10-9
y=-5x+1
Ответ:
Step-by-step explanation:
h(x)=¾x +12
let h(x)=y
y=¾x +12
y=3x/4 +12
4y=3x+48
3x=48-4y
x=(48-4y)/3
replace x with h-¹
h-¹(x)=(48-4x)/3