So youre a given two points. The points (0,15) and (150,0). First
solve the slope of the graph
M = (y1 – y2) / (x1 – x2)
M= (15 – 0) / ( 0 – 150)
M = - 0.1
Using point (15,0)
15 = -0.1(0) + b
15 = b
So y = mx + b
Y = -0.1x + 15
Answer:
$420 U.S. dollars = $570.25 Canadian dollars
1 U.S. dollar = 1.36 Canadian dollars
Therefore, to find the answer you would multiply $420 by 1.36.
Not sure what algebra tiles are
not sure how to absolutely prove
I can prove it works at least most of the time by subsitute ing number for x
remember that 0,1,2 have special properties and are not very good for subsituting so
try 4
4+8(4)=4(2(4)+1)
true or false?
4+8(4)=4(2(4)+1)
multipily
4+32=4(8+1)
36=4(9)
36=36
this is treu at least for the number 4
another way is to believe in the distributive property where
a(b+c)=ab+ac so then
4(2x+1)=4(2x)+4(1)=8x+4=4+8x
ФThe Answer is A).the first graph i know this is the correct Answer.Ф
