When solving an equation, Carmen's first step is shown below. Which property justifies Carmen's first step?
Original Equation:
9(-8x² – 2) + 6 = - 7x2 + 9
First Step:
9(-8x² – 2) = -7x² +39

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

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.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7