What's the domain and range?
1 answer:
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we have
Let's Isolate the variable y in each of the cases and then compare with Fiona's equation to determine the solution of the problem
case A)
Multiply by both sides
Divide by both sides
therefore
the case A) is not equal to Fiona's equation
case B)
Multiply by both sides
Divide by both sides
therefore
the case B) is not equal to Fiona's equation
case C)
Multiply by both sides
Divide by both sides
therefore
the case C) is not equal to Fiona's equation
case D)
Multiply by both sides
Divide by both sides
therefore
the case D) is equal to Fiona's equation
<u>the answer is</u>
Table (A) represents the parabola y = x² - 6x in which the parabola opens and the y-intercept is (0, 0) table (A) is the correct choice.
<h3>What is a parabola?</h3>It is defined as the graph of a quadratic function that has something bowl-shaped.
We have the tables shown in the picture.
We know the quadratic form of a parabola is:
y = ax² + bx + c
If a > 0 the parabola opens
In the equation:
y = x² - 6x
1 > 0 the parabola opens and y-intercept is:
y = 0 (plug x = 0 in the given equation)
a = 1, b = -6, and c = 0
Thus, table (A) represents the parabola y = x² - 6x in which the parabola opens and the y-intercept is (0, 0) table (A) is the correct choice.
Learn more about the parabola here:
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