6. Step 1: Calculate the area of ADEF using the scale factor.

62.5 ft

156.25 ft

88 ft

163.75 ft

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.