( 20 points) Solve 2(x + 1) = 2x + 5

1) all real numbers
2) no solution
3) 0
4) 3

(9th grade Algebra 1)

The solution set for 5v2 – 125 = 0 is

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is