Answer: the slope of a linear function is calculated by rearranging the equation to its general form
Step-by-step explanation:
Answer:
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Answer:
2.8 liters
Step-by-step explanation:
So there are various ways to do this problem, this is just MY preferred way.
Since we are given 1/4th of a total value with 14 liters, we can actually make this 4/4 by multiplying our given value by 4. In this case, 14 liters for 25% becomes 56 liters for 100% antifreeze.
Since we know have a percent of 100%, we can proceed to take 10% increments, all the way up to 30%
10% is 5.6, multiplied by 3 is 16.8
While you might want to put 16.8 instantly, don't forget we are looking for how much is ADDED from 25%, not just how much there is.
In this case, subtract 14 from 16.8 to come out with a grand total of 2.8 liters added.
Passes through (3, 0) and is perpendicular to 2x - y = 5
Turn our given equation into y=mx+b form.
2x - y = 5
Subtract 2x from both sides.
-y = -2x + 5
Divide both sides by -1.
y = 2x - 5
So, our slope is 2.
However, because our equation is perpendicular, we must find the negative reciprocal of 2.
Slope₁ = 2
Slope₂ = -1/2
y - y₁ = m(x - x₁) (3, 0)
Plug everything in.
y - 0 = -1/2(x - 3)
y = -1/2x + 3
~Hope I helped!~
