Answer:
D. y = x^2 - 9x + 20
Step-by-step explanation:
According to the graph, y = 0, when x = 4 and when x = 5.
Therefore, we must calculate the roots of each answer.
A. y = (x + 4) (x + 5)
0 = (x + 4) (x + 5)
(x + 4) = 0 => x = -4
(x + 5) = 0 => x = -5
B. y = (x - 3) (x + 4)
0 = (x - 3) (x + 4)
(x - 3) = 0 => x = 3
(x + 4) = 0 => x = -4
C. y = x^2 - 8x +18
In this case, when we apply the general equation, we are left with
D. y = x^2 - 9x + 20
0 = (x - 4)(x - 5)
(x - 4) = 0 => x = 4
(x - 5) = 0 => x = 5
Therefore the answer is D. y = x^2 - 9x + 20
4/3 = 1 1/3 leaves per inch of vine.
y = 1 1/3x
Hope this helps!
Answer:
Hence, the two numbers chosen or plotted by them are:
-75 and 75
Step-by-step explanation:
It is given that Bernita and Derek each plot a number on a number line with the properties:
- The two numbers they have plotted are unique or different.
- Also there absolute value is same.
- The sum of the absolute values of the numbers is 150.
<em>We know that</em><em> Absolute value</em><em> of a positive number is a number itself and absolute value of a negative number is it's inverse.</em>
Hence, the two numbers that satisfy the above three properties are:
-75 and 75.
Since,
|-75|=75
and |75|=75.
Hence, |-75|=|75|
Also |-75|+|75|=75+75=150
The trip to the lake took 4 hours.
<h3>How long did the trip to the lake take?</h3>
The first step is to determine the distance of the trip.
Distance = average speed x time
24 km/h x 5 = 120 km
Time = distance / average speed
120 / 30 = 4 hours
To learn more about average speed, please check: brainly.com/question/21734785
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Your answer would be 57.5%.