Question 105224
Y=mX+b
2=2*5/3+b
2=10/3+b
b=2-10/3
b=(6-10)/3
b=-4/3
Y=2X/3-4/3 IS THE LINE EQUATION WITH A SLOPEOF 2/3 & PASSING THROUGH (5,2).
WHEN X=8 THEN:
Y=2*8/3-4/3
Y=16/3-4/3
Y=12/3=4 ANSWER.
WHEN X=11 THEN:
Y=2*11/3-4/3
Y=22/3-4/3
Y=18/3=6 ANSWER.
WHEN X=12 THEN:
Y=2*12/3-4/2
Y=24/3-4/3
Y=20/3 ANSWER.
{{{ graph( 300, 200, -6, 15, -10, 10, y = 2x/3 -4/3) }}} (graph 300x200 pixels, x from -6 to 15, y from -10 to 10, y = 2x/3 -4/3).