Given a1 = 90 Common difference = adding 90 + 9 = 99, second term 99 + 9 = 108, third term And keep doing that You would get 90, 99, 108, 117, 126, 135
Solve for the first variable in one of the equations, then substitute the result into the other equation. Point Form: ( 1 , 3 ) , ( − 3 , − 5 ) ( 1 , 3 ) , ( - 3 , - 5 ) Equation Form: x = 1 , y = 3 x = 1 , y = 3 x = − 3 , y = − 5
