Identify the two whole numbers between which the product lies 7×8/10
1 answer:
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In the equation y = 2x + 4, you know that the gradient is 2 (the number before x).
for a perpendicular line you need the negative reciprocal of 2, which is -
.
you then need to use the equation
y -
= m(x - 
)
substitute in your coordinates:
y - -2 = - (x - 3)
simplify:
y + 2 = -0.5x + 1.5
rearrange:
y = -
-
for a perpendicular line you need the negative reciprocal of 2, which is -
you then need to use the equation
y -
substitute in your coordinates:
y - -2 = -
simplify:
y + 2 = -0.5x + 1.5
rearrange:
y = -