The point where the line crosses (or intercepts) the y-axis. 2. The y-coordinate of a point at which the graph crosses or touches the y-axis. 3. The y-intercepts of the graph of an equation are those y-values for which x = 0. Notice that a point could be both the x-intercept and y-intercept
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Answer: 65
Step-by-step explanation:
We know that her three tests are 69,65,77 so far
in order to get her average at 69 we need to do the following:
69+65+77+x=(69x4)
211+x=276
x=276-211=65
if she will get a 65 her average will be 69
Answer:
15.6
Step-by-step explanation:
Answer: y = -9x - 9
First, you need to put the two equations into slope intercept form (y=mx+b.)
1) y= -9x + 9
2) y= -10x - 9
First take the slope of #1
m = -9x
Then take the y-intercept of #2
b = -9
Now, put it into an equation.
y = -9x - 9