A sundial that measures 38 inches across its center is shown on the concrete slab. In terms of π, what area of the slab is cover
2 answers:
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Answer:
Step-by-step explanation:
Determine the graph by using the <em><u>rise over run</u></em>. Since the line shows that it is increasing (up), then the slope is positive:
Rise =
Run =
After you have found the slope, find the <u>y-intercept</u>, which when the line crosses the <u>y-axis</u>:
Y-intercept =
-Since you now have the slope and y-intercept, use them to form a <u>Slope-Intercept form</u>:
Apply them to the equation:
<u />
<em><u /></em>
Answer:
x = -0.5 or x = 2
Step-by-step explanation:
Finding solutions graphically is often easier if the equation can be put in the form f(x) = 0. Here, we can do that by subtracting the right-side expression to give ...
(-2x^2 +2) -(-3x) = 0
This could be put in standard form, but there is no need. A graphing calculator can deal with this directly.
The solutions are x = -0.5 and x = 2.
