A mechanic has the length of a hole 6 feet long what is the length after two inches is cut off?
1 answer:
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Imagine we drew a line from the centre (2,0) to the point (0,4).
Essentially the line<u> we drew from the centre to that point on the circle is perpendicular to the tangent line slope-wise</u>.
The <u>slope of that line from the centre to the point is -2</u> based on the slope's equation or formula.
slope =
Therefore the <u>tangent equation's slope is 1/2</u> since any perpendicular line's slope is the negative reciprocal of the original line's slope.
By<u> using the point-slope form, we must have the point on the tangent plane (0,4) and the slope we found which is 1/2</u>.
Hope that helps!
Answer:
Therefore the x-intercept of
is
Step-by-step explanation:
Intercepts:
The line which intersect on x-axis and y-axis are called intercepts.
There are two intercepts:
y-intercept: The line which intersect at y-axis. So when the line intersect at y-axis X coordinate is zero.
x-intercept: The line which intersect at x-axis. So when the line intersect at x-axis Y coordinate is zero.
For x-intercept of y = 3x² + 6x + 3
put y = 0
Dividing throughout by 3 we get
Which is nothing but in the identity form of (A+B)² = A² +2AB +B²
A = x
B = 1
Therefore Equation becomes
Therefore the x-intercept of
is