Section+2.1

(Answers provided by Clayton and Theo) || Student Feedback || Teacher Feedback || 3x^2+2x-3 the initial value, or y-intercept, is negative 3, not 0. ||  || Correct || (1+/- 5^1/2)/2. But after graphing it on the calculator it appeared to have no x-intercepts... || So then wouldn't it be true? || Incorrect - answer is TRUE No x-intercepts. || it generated -1/3 as the answer, leaving that to be the value of m. ||  || Correct || previous problem, the b value was found to be 7/3. ||  || Correct || according to the vertex form (h,k). ||  || Correct || a vertex of (-3,-5). ||  || Correct ||
 * Student Answers
 * 71.False: when x=0 in the equation
 * 72.False: Using the quadratic formula we determined it has two x-intercepts
 * 73. E: Using the two ordered pairs in the slope formula,
 * 74.C: Using one pair of (x,y) coordinates and the slope found in the
 * 75.B: The axis of symmetry is the x value of the vertex for a parabola,
 * 76.E: Using the vertex form, the values of h and k are given, providing