Ajeweler is making a copy of a 15-inch chain to sell in his store. the clasp is 1/2 inch long. each link in the chain is 1/4 inch long. how many links must he use to make the chain?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()