Anumber x squared plus forty-four is equal to the numer x to the forth power times three

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?

Nine more than four times a number is the same as one less than twice the number. find the number?

Find the area of an equilateral triangle with a side of 6 inches