Answer:
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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