Answer: A <em>(first option)</em>: y-intercept = 9, zeros = {1, -1, 3, -3}
<u>Step-by-step explanation:</u>
The y-intercept is where the graph crosses the y-axis.
The zeros are the x-intercepts which is where the graph crosses the x-axis.
The graph touches the y-axis when y = 9
The graph touches the x-axis when x = -3, x = -1, x = 1, and x = 3
Dividing by 5 is equivalent to dividing by 10 and then multiplying by 2.
therefore:
63.5/5 = (63.5/10) * 2 = 6.35 * 2 =12.70 which rounds to 13.
Answer:
x = 6.6; DE = 16.6
Step-by-step explanation:
Assume the diagram is like the figure below.
1. Calculate the value of x
In a right triangle, the altitude drawn from the right angle to the hypotenuse divides the triangle into two similar triangles.
Thus, ∆CDF ~ ∆FDE, and

2. Calculate the length of DE
DE = 2x + 3 = 2(6.6) + 3 = 13.2 + 3 = 16.2
Answer:11.8
Step-by-step explanation:
(9x+5)=112
9x=107
X=11.8
Hope I’m right