C is the correct answer. An equilateral triangle is a type of triangle.
Answer:
A=30 B=90 C=60
Step-by-step explanation:
A=30 C=60 B=90
Answer:
.
Step-by-step explanation:
We want to convert the function into the form that let's us easily find the x-intercept, and it would be for the form
because then we can find the x-intercept in the following manner:



We factor our function
and get

Now this form let's us easily find the x-intercepts:


and so we pick the second choice: f(x)=(2x+1)(2x-1).