The slope of a line is 2. The y-intercept of the line is –6. Which statements accurately describe how to graph the function?
2 answers:
Answer:
A is the correct option.
Step-by-step explanation:
The slope of the line is 2 and the y-intercept is -6.
y-intercept is the point where x is zero. Hence, the point is (0,-6)
When we graph a linear function by slope-intercept method, first of all we plot the y-intercept.
Hence, first of all we plot the point (0,-6)
Now, slope is given by
if rise is positive then we move up from the y -intercept and if negative then move down. We keep run always positive and hence we move right from the rise point.
rise = 2
run = 1
Rise is positive hence, we move 2 units up from the point (0,-6) and then move 1 unit right to get the next point. Then we draw a line passing through these points.
A is the correct option.
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Answer:
A. $1,710
B. Yes, probably.
Step-by-step explanation:
Assuming that a 10% decrease in energy use leads to a 10% decrease in the electric bill:
We'll want to find the value which is 10% less than the original value, i.e., the bill cost which is 90% of the original bill.
90% = 0.9
Since the original bill was $1900, we can just multiply 1900 by 0.9:
Answer: A bill of $1,710 would equal a 10% decrease.
Since $1,672 is less than that, then they have decreased their energy use by more than 10% which is likely a success.
Answer: Yes, probably.