Which equation describes a line of symmetry for the figure shown?
2 answers:
Answer:
A.
Step-by-step explanation:
We have been given an image. We are asked to find the line of symmetry for our given image.
We can see that our given image is symmetric about y-axis as y axis divides our given image into two mirror images.
We also know that at y-axis the values of x is always 0, therefore, the line represents line of the symmetry for the given figure and option A is the correct choice.
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Answer:
Step-by-step explanation:
We have been given that an arrow is shot straight up from a cliff 58.8 meters above the ground with an initial velocity of 49 meters per second. Let up be the positive direction. Because gravity is the force pulling the arrow down, the initial acceleration of the arrow is −9.8 meters per second squared.
We know that equation of an object's height t seconds after the launch is in form , where
g = Force of gravity,
= Initial velocity,
= Initial height.
For our given scenario ,
and
. Upon substituting these values in object's height function, we will get:
Therefore, the function for the height of the arrow would be .
Answer:
The discriminant of function is 0. There one distinct real number zero of (repeated roots).
Step-by-step explanation:
We are given the following function in the question:
We have to calculate the discriminant of the function.
Comparing to
We get,
Discriminant is given by:
Putting values, we get,
Thus, the discriminant of function is 0.
Since, the discriminant is zero, the function have repeated real roots. Thus, one distinct real number zero of .