Consider what the slope of this line would be. Slope is rise/run; this line rises 7 (5 - (-2)) and runs 0 (0 - 0). This means that the slope would be 7/0. Dividing by zero is not possible, therefore, it cannot be written in slope-intercept form.
Answer:
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Using the cosine rule we can work out the length of the side opposite the indicated right angle which came to be 15mm
then the final answer came to be 163mm^2
To 3 significant figures:
19.3 cm
First we find the slope by using the slope formula
slope = (y2 - y1) / (x2 - x1)
(2,4)(4,10)
slope = (10 - 4) / (4 - 2) = 6/2 = 3
now we use slope intercept form
y = mx + b
slope(m) = 3
use either of ur points (2,4)...x = 2 and y = 4
now we sub and find b, the y intercept
4 = 3(2) + b
4 = 6 + b
4 - 6 = b
-2 = b
so ur equation is : y = 3x - 2
