Determine the equation of the line that passes through the point P and is perpendicular to the given line y=mx+t.
y=3x+2
P(3∣5)
Für diese Aufgabe benötigst Du folgendes Grundwissen: Slope/Gradient of a line
First determine the slope of the line h perpendicular to g(x):y=3x+2 , where being perpendicular implies
m2=−m11
Plug in the known values.
m2=−31
So the line we are looking for has a slope of −31.
Now determine the y-axis intercept of the line h through P(3∣5) by substituting the point P into the general line equation.
h(xp):yp=m2xp+b
Plug in the values.
5=−31⋅3+b∣+1
Simplify and add 1.
6=b⇔b=6
So the line equation is h(x):y=−31x+6.
Do you have a question?
y=0.5x+1
P(1∣2)
Für diese Aufgabe benötigst Du folgendes Grundwissen: Slope/Gradient of a line
First determine the slope of the line h perpendicular to g(x):y=0.5x+1 , where being perpendicular implies
m2=−m11
Plug in the known values.
m2=−0.51=−211=−2
So the line we are looking for has a slope of −2.
Now determine the y-axis intercept of the line h through P(1∣2) by substituting the point P into the general line equation.
h(xp):yp=m2xp+b
Plug in the values.
2=−2⋅1+b ∣+2
Simplify and add 2.
4=b⇒b=4
So the line equation is h(x):y=−2x+4.
Do you have a question?
y=−5x+6
P(−10∣1)
Für diese Aufgabe benötigst Du folgendes Grundwissen: Slope/Gradient of a line
First determine the slope of the line h perpendicular to g(x):y=−5x+6 , where being perpendicular implies
m2=−m11
Plug in the known values.
m2=−−51=0.2
So the line we are looking for has a slope of 0.2.
Now determine the y-axis intercept of the line h through P(−10∣1) by substituting the point P into the general line equation.
h(xp):yp=m2xp+b
Plug in the values.
1=0.2⋅(−10)+b ∣+2
Simplify and add 2.
3=b⇒b=3
So the line equation is h(x):y=0.2x+3.
Do you have a question?
y=4x+3
P(2∣−5)
Für diese Aufgabe benötigst Du folgendes Grundwissen: Slope/Gradient of a line
First determine the slope of the line h perpendicular to g(x):y=4x+3 , where being perpendicular implies
m2=−m11
Plug in the known values.
m2=−41=−0.25
So the line we are looking for has a slope of −0.25.
Now determine the y-axis intercept of the line h through P(2∣−5) by substituting the point P into the general line equation.
h(xp):yp=m2xp+b
Plug in the values.
−5=−0.25⋅2+b +0.5
Simplify and add 0.5.
−4.5=b⇒b=−4.5
So the line equation is h(x):y=−0.25x−4.5.
Do you have a question?
y=−32x+2
P(4∣6)
Für diese Aufgabe benötigst Du folgendes Grundwissen: Slope/Gradient of a line
First determine the slope of the line h perpendicular to g(x):y=−32x+3 , where being perpendicular implies
m2=−m11
Plug in the known values.
m2=−−321=23
So the line we are looking for has a slope of 23.
Now determine the y-axis intercept of the line h through P(4∣6) by substituting the point P into the general line equation.
h(xp):yp=m2xp+b
Plug in the values.
6=23⋅4+b ∣−6
Simplify and subtract 6.
0=b⇒b=0
So the line equation is h(x):y=23x.
Do you have a question?
y=31x−2
P(2∣5)
Für diese Aufgabe benötigst Du folgendes Grundwissen: Slope/Gradient of a line
First determine the slope of the line h perpendicular to g(x):y=31x−2 , where being perpendicular implies
m2=−m11
Plug in the known values.
m2=−311=−3
So the line we are looking for has a slope of −3.
Now determine the y-axis intercept of the line h through P(2∣5) by substituting the point P into the general line equation.
h(xp):yp=m2xp+b
Plug in the values.
5=−3⋅2+b ∣+6
Simplify and add 6.
11=b⇒b=11
So the line equation is h(x):y=−3x+11.
Do you have a question?
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