Select the correct answer. This table represents a quadratic function xy
13
3-3
5-5
7-3
93
Which statement about this function is true?
A)The value of a is positive, so the vertex is a minimum.
B)The value of a is negative, so the vertex is a maximum.
C)The value of a is positive, so the vertex is a maximum.
D)The value of a is negative, so the vertex is a minimum.

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?

Find the value of x for which line a is parallel to line b

Acircle has a circumference of 7.850 units. what is its radius?