22.3k views
1 vote
Which equation matches the graph shown below?

Which equation matches the graph shown below?-example-1
User Alex Vidal
by
8.9k points

2 Answers

6 votes
I am pretty sure it is the 3rd one down
User Anastazy
by
7.9k points
0 votes
For this case, what we are going to do is verify in which points the function is equal to zero.
We have the points are:
x = (-b +/- root (b ^ 2 -4 * a * c)) / (2 * a)
We substitute the values in the equations shown and verify that the equality is met.
For y = 2x2 + 8x - 5
x1 = -2-root (13/2)
x2 = root (13/2) - 2
These roots coincide with the cut points of the graph on the x axis.
Answer:
The equation is:
y = 2x2 + 8x - 5
option 4
User Theressa
by
8.3k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories