C cuz if it opens down a is negative and also it’s a parabola so it’s quadratic
Option c would be correct
Answer:
B
Step-by-step explanation:
90+45+45=180
All triangles equal 180.
Its B because if one angle is 90° then the other angles will equal each other. It cant be 60° and 30° because they dont equal, so your final answer is B.
Hope this Helps!!! :)
Answer:
choice 2 -4.25
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Given the following function:

You need to follow these steps in order to solve the exercise:
1. Substitute
:

2. Now you need to apply the Quadratic formula. This is:

In this case, you can identify that:

Then, you can substitute these values into the formula:

3. Evaluating, you get:

4. You must choose the positive value. Then:
