2. Show that the equation (k – 1 )r? + 2x - (k – 3)=0 has real roots for all values of k.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2