Factor -7 out of -28a -49

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?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)