=
which is the standard form of the equation with = 21.
a
b.
v3x + y + 42 = 0
3x + 42 = 0
c.
d
3x+y=0
x+42y = 0
select the best answer from the choices provided
о а

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y

What is the value of x? assume that the line is tangent to the circle.

Write the component forms of vectors u and v, shown in the graph, and find v − 2u. u= (< -3, -2> , < -3, -1> , < -2, -2> , < -2, -1> ) v= (< -5, 1> , -4, 0> , < 0, -4> , < 1, -5> ) v-2u= (< 5, 3> , < 0, 4> , < 4, 0> , < 5, -3>