The linear rule should look like this y=a*x+b
As the function graph goes through the (0,0) point, the equation 0=a*0+b <=> b=0 must be true.
Now we only need to find a, using one of the points given. With (-4, 16):
16=-4*a <=> a=16/-4 <=> a= -4
So the rule looks the following way:
f(x)= -4*x
(-1,10), (2,1) , (0,7), (-2,1)
Answer:
the answer should be 8.9
you square 12 and square the 8 and subtract them by each other
The answer for this is 60
D is the answer because it says each and that’s a key word to understand that it’s multiplying
