Suppose y varies directly with x, and y = 8 when x = –6. what direct variation equation relates x and y? what is the value of y when x = –2?

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

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.