How high up does the ladder reach
1 answer:
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Answer:
Step-by-step explanation:
Graph
9
−
16
x
+
12
y
=
33
.
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Slope:
4
3
y-intercept:
2
x
y
0
2
3
6
Graph
−
4
x
+
3
y
=
8
.
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Slope:
4
3
y-intercept:
8
3
x
y
0
8
3
1
4
Plot each graph on the same coordinate system.
9
−
16
x
+
12
y
=
33
−
4
x
+
3
y
=
8
Answer: The answer is
Step-by-step explanation: We are to find the equation of the parabola with x-intercepts (-2,0), (1.2,0) and y-intercept (0,-4).
Therefore, axis of symmetry is
Let the equation of the parabola be
Substituting the points (x,y)=(0,-4) and (1.2,0) in the above equation, we find that
and
Solving the above two equations, we get
So, putting the values of 'a' and 'k' in the equation of the parabola, we get
Thus, the equation of the parabola is