Question

Consider the quadratic function f(x) = −² − 3x + 10.

Determine the following: (enter all numerical answers as integers, fractions, or decimals):
The z-intercepts are
The y-intercept is
The vertex is
The line of symmetry has the equation
Give your answers as points, separated by a comma
Give your answer as a point.
Can someone help me please. Precalc is hard!!!

Answer 1

1. the z-intercepts are (-2, 0) and (2.5, 0)
2. the y-intercept is (0, 10)
3. the vertex is (-0.75, 10.75)
4. the line of symmetry has the equation x = -0.75