Lanu draws a rectangle that is 10 inches wide and 20 inches long. Which rectangle described below has the same area?
2 answers:
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Answer:
Graph C
Step-by-step explanation:
Hi there!
The given linear equations are organized in slope-intercept form: where <em>m</em> is the slope of the line and <em>b</em> is the y-intercept, or the value of y when the line crosses the y-axis.
y = 2x + 4
Here, the <em>b</em> value is 4. Therefore, the y-intercept of this line is 4.
y = -3x - 2
Here, the <em>b</em> value is -2. Therefore, the y-intercept of this line is -2.
To identify the graph that models these equations, we just have to look for the graph where the lines cross the y-axis at 4 and -2.
The only graph that does this is graph C.
I hope this helps!
The red chord is a diameter of the circle, so the length of the blue arc is half the circle's circumference.
The circumference of a circle with diameter is
, so the circle has circumference
, and so the arc has length
.