Concepts 1 and 2
A (, ) B (, ) C (, ) D (, ) E (, )
A ( 3, 4) – Quad I B (2,-3) – Quad IV C ( 0, -5) – Y-Axis D ( - 5, 0) – X- Axis E (-2, 1) Quad II
XY = 3x - 2Y(x,y)
XY = 3x - 2Y(x,y) 1Y = 3 (1) – 21(1,1) 0Y = 3(0) -2-2(0,-2) Y = 3(-1) -2-5(-1, -5) 2Y = 3(2) -24(2,4)
XY= 1/2x +2Y(x,y)
XY= 1/2x +2Y(x,y) 0Y = ½ (0) +22(0, 2) 2Y = ½ ( 2) +23(2, 3) -2Y= ½(-2) +21(-2, 1) 4Y= ½ (4) +24(4, 4)
X4 = y - xY(x,y)
X4 = y - xY(x,y) 04 = y – 04(0,4) 14 = y – 15(1,5) 24 = y – 26(2,6) 4 = y - -13(-1, 3)
(8, -2)
(10, -2)
(6, -3)
XY
y = 7x
XY
y = x - 3
XY
y = 3x +5
{(2, 3), (-1, 5), (0, -1), (3, 5), (5, 0)}
Yes, each x-value has exactly one y-value. Domain: (2, -1, 0, 3, 5) Range: (3, 5, -1, 0)
{ (5, 3), (-8, 7), (5, 1), (2,3), (-1, 5) }
No, 5 is paired with more than one y-value. Domain: (5, -8, 2, -1) Range: (3, 7, 1, 5)
No, it does not pass the vertical line test.
Yes, it passes the vertical line test.
XY
XY
XY
XY
Y = x - 5
Y = x – 5 Infinite (6, 1)
Y = 5x + 2
Infinite (2, 12)