I need help with example 4 plz
1 answer:
Answer:
a)
b)
Step-by-step explanation:
Recall the forms of vertical and horizontal lines
Horizontal lines come in the form of , so the slope of the equation is zero. The value of b will be the y-value of the point that you're given.
This means that the equation for a would be y=1
Vertical lines come in the form of . For this line, the value of a would be equivalent to the x-value of the given point. Therefore, b. would be
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Answer:
<h2>The radius is 4 units long.</h2>Step-by-step explanation:
The given equation is
This equation belongs to a circle, which center is at (0.5, 3.5) and its radius is 4.
You can deduct its elements, becase this equation of the circle is explicit, which means the constant term represents the square power of the radius. Solving that, we have
Therefore, the radius is 4 units long.
check the picture below.
notice, a function that is decreasing, namely have a negative slope, doesn't have to be negative.
