Which polynomial is prime?
1 answer:
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A1) One possible set of inequalities is
x +y > 2
y -x < 4
A2) The lines are graphed as though the inequality were an equal sign. Since the inequality does not include the "or equal to" case, the lines are drawn dashed. In each case, the area to the right of the line is shaded.
B) Points A and B are solutions to the system if they are in the doubly-shaded region (which they are). In the graph here, that region is darker orange. (For this purpose, you need to ignore the green region, which overlaps part of the solution space.
C) The houses Billy is interested in are found by graphing the inequality and identifying the houses in its solution space. (Those houses are B and C.) Alternatively, you can evaluate the inequality for each of the house coordinates and see which ones give "true."
x +y > 2
y -x < 4
A2) The lines are graphed as though the inequality were an equal sign. Since the inequality does not include the "or equal to" case, the lines are drawn dashed. In each case, the area to the right of the line is shaded.
B) Points A and B are solutions to the system if they are in the doubly-shaded region (which they are). In the graph here, that region is darker orange. (For this purpose, you need to ignore the green region, which overlaps part of the solution space.
C) The houses Billy is interested in are found by graphing the inequality and identifying the houses in its solution space. (Those houses are B and C.) Alternatively, you can evaluate the inequality for each of the house coordinates and see which ones give "true."
we know that
The equation of a vertical parabola in vertex form is equal to
where
(h,k) is the vertex
if -----> then the parabola open upward (the vertex is a minimum)
if -----> then the parabola open downward (the vertex is a maximum)
The axis of symmetry is equal to
In this problem let's analyze two cases
First case
the vertex is the point
so
-----> then the parabola open upward (the vertex is a minimum)
The axis of symmetry is equal to
Second case
the vertex is the point
so
-----> then the parabola open upward (the vertex is a minimum)
The axis of symmetry is equal to