George used the diagram below to help determine 30% of 60. Which expression could George have used? 10%
10%
10%
10%
0.10
6
0.10
10%
0.10
6
10%
0.10
6
30% of 60
10% 10%
0.10 0.10
6
6
10%
0.10
6
10%
0.10
6
0.10
6
0.10
6
6
O (0.10)(6)
0 (0.10)(60)
O (3)(6)
O (3)(60)
Next
Submit
Save and Exit
Mark this and return
Sign out

Answers:

y intercept = -4

slope = -1

Explanation:

The given equation is the same as y = -1x + (-4)

Compare this to y = mx+b form, and we see that

m = -1 is the slope

b = -4 is the y intercept

To graph y = -x-4, you could plot the two points (0,-4) and (1,-5) and draw a straight line through them. Extend the line as far as you can in either direction.

Notice how going from (0,-4) to (1,-5) follows the process "down 1, right 1" which is directly pulled from the slope = -1 =  -1/1.