What is the first step when rewriting y = 3x2 + 9x - 18 in the form y = a(x - h)2 + 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.

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct