Show all work. What are the zeros of the function? f(x) = 2x^2 − 8x − 10
1 answer:
You might be interested in
Answer:
q = 40
Step-by-step explanation:
multiply 5 on boths sides:
q = 40
to check:
= 8
if we zero out f(x), namely make y = 0, we can get the roots or x-intercepts for this quadratic equation
now, the equation is in x-terms, meaning is a vertically opening parabola, so the axis of symmetry will be x = something, a vertical line.
well, we have two x-intercepts, one at -4 and another at 2, and the vertex is right half-way between those guys
-4------------(-1)------------2
so the vertex is at x=-1, namely the axis of symmetry is x = -1.