`x_1 +y_1`
`x_1 + y_1`
`ax_1`
`a+ x_1`
`9` sq units
`12` sq units
`14` sq units
`18` sq units
`x = 0`
`x = a`
`x = a/2`
`x = 2a`
`x= 0`
`y =0`
`x =2`
`y =2`
first and fourth quadrants
first and second quadrants
second and third quadrants
third and fourth quadrants
`(2, 2)`
`(4, - 4)`
`(4, 4)`
`(-2, 2)`
`3y = 2`
`x+ 3y = 3`
`2x = 3`
`y = 3`
`y^ 2 + 8x = 0`
`y^ 2 - 8x = 0`
`x^ 2 + 8y = 0`
`x^ 2 - 8y = 0`
`y^2 = 8(b - a)(x - a)`
`y^2 = 4(b +a)(x - a)`
`y^2 = 4 (b - a)(x + a)`
`y^2 = 4(b - a)(x - a)`
`y^2 = 8 (x + 3)`
`x^2 = 8 (y + 3)`
`y^2 = - 8 (x + 3)`
`y^2 = 8 (x + 5)`