Can help a girl out ?

y = 5x-4

Step-by-step explanation:

To solve this question you will need to use the point-gradient formula, which is

y−y1=m(x−x1)

First work out the gradient. which is m = y2-y1/x2-x1 = (-29-21)/(-5-5) = -50/-10 = 5

Sub m = 5 into the formula

y-y1 = m(x-x1)

Next sub one of the ordered pairs into the equation lets use (5,21)

y -21 = 5(x-5)

y-21 = 5x-25

y = 5x-4

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x = ± 6i

step-by-step explanation:

x^2 = -36

take the square root of each side

sqrt(x^2) = sqrt(-36)

we know sqrt(ab) = sqrt(a) sqrt(b)

x = ±sqrt(36) sqrt(-1)

we know that sqrt (-1) = i

x = ± 6i