See attached photo for the graph
C. JM because that line is the height of the triangle
Answer:
The temperature at 9:00 is 14° C.
Step-by-step explanation:
At noon, the temperature was 6° C.
By 5:00, the temperature had dropped to -2° C.
Every hour until 9:00, the temperature rose 4°, so 4•4 is 16.
16 + -2 is 14.
So, the temperature at 9:00 is 14° C.
Answer:
<h2>The graphs in the attachments.</h2>
Step-by-step explanation:
The slope-intercept form of an equation of a line:
![y=mx+b](https://tex.z-dn.net/?f=y%3Dmx%2Bb)
m - slope
b - y-intercept
We have the equations of the lines in the general form Ax + By + C = 0.
Convert to slope-intercept form:
8.
<em>subtract 2x and 5 from both sides</em>
<em>divide both sides by (-2)</em>
![y=x+\dfrac{5}{2}](https://tex.z-dn.net/?f=y%3Dx%2B%5Cdfrac%7B5%7D%7B2%7D)
9.
<em>add 3 to both sides</em>
![y=3](https://tex.z-dn.net/?f=y%3D3)
8.
To draw a line we need only two points. Choice any two x values and calculate the y values.
![for\ x=0\to y=0+\dfrac{5}{2}=\dfrac{5}{2}=2.5\to(0,\ 2.5)\\\\for\ x=-2\to y=-2+\dfrac{5}{2}=-2+2.5=0.5\to(-2,\ 0.5)](https://tex.z-dn.net/?f=for%5C%20x%3D0%5Cto%20y%3D0%2B%5Cdfrac%7B5%7D%7B2%7D%3D%5Cdfrac%7B5%7D%7B2%7D%3D2.5%5Cto%280%2C%5C%202.5%29%5C%5C%5C%5Cfor%5C%20x%3D-2%5Cto%20y%3D-2%2B%5Cdfrac%7B5%7D%7B2%7D%3D-2%2B2.5%3D0.5%5Cto%28-2%2C%5C%200.5%29)
9.
![y=3](https://tex.z-dn.net/?f=y%3D3)
It's a horizontal line.