Graphing Quadratics

Hi I need help on these multiple choice questions The solutions of the equation 3x^2+7x-5=0 are: A.both rational B.both real C.not real D.equal and rational E. Equal and real The equation 9x^2-24x+16 has: A.no real solutions B.one rational solution C.two...

I need some assistance on a question could someone please help? Here is the question in the book. Do the points (3, -4) (18, 6) and (9, 0) all lie on the same line? If so what is the equation of the line. I looked in the answer section the answer is yes and the equation is 2x-3y=18 I do not...

Ms. Brown has 200m of fencing with which she plans to build a fence( no duh) She intends to construct a rectangular enclosure along a river where no fence is needed. She plans to divide the pen into two smaller pens. I have the 3 vertical fences labeled as y(there all the same length) and the...

I have 5 questions I need help with . 1) Draw a sketch of each of the following equations. Be sure to label all appropriate points. These are separate equations. A) .2x - .5y = -.3 B) 1/6x + 1/5 = -1 C) 1/3x + 1/2y = 2 D) .9 - .1y = 1