How many times larger is 4 x 1012 than 8 x 107? a) 2 x 104 b) 2 x 105 c) 5 x 104 d) 5 x 105

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?

Is the square root of 4 plus the square root of 16 rational?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10