3 years ago

What is the slope of the line

2 answers:

8 0

Slope triangle is rise/run so count how many times it goes up (4) and how many times it goes to the right (or left if it is negative) so that is one.

4/1= 4

mart [117]3 years ago

3 0

Slope = 4/1 = 4

hope it helps

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If →u and →v are the vectors below, find the vector →w whose tail is at the point halfway from the tip of →v to the tip of →v−→u

S_A_V [24]

Û = (-1, -1, -1)
^v = (2, 3, -5)
^v - û = (2 + 1, 3 + 1, -5 + 1) = (3, 4, -4)
Half way from ^v to ^(v - u) = ((3 - 2)/2, (4 - 3)/2, (-4 + 5)/2) = (1/2, 1/2, 1/2)
Halfway from û to ^v = ((2 + 1)/2, (3 + 1)/2, (-5 + 1)/2) = (3/2, 2, -2)

The required vector ^w = ((3/2 - 1/2), (2 - 1/2), (-2 - 1/2)) = (1, 1/2, -5/2)

5 0

2 years ago

What is the radius of the circle whose equation is x2 + y2 = 8?

gavmur [86]

If that is x^2+y^2=8
then the radius is 2 $\sqrt{2}$