3. By solving the equation x2 + 4x = 12 using trial and error, solutions are:
A) {-2, 2} B) {-6, 2} C {6, -2} D) {-1, 1}

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.

How is this equation completed? i cannot find any examples in the book.