Always use the formula (y2-y1)/(x2-x1) to find a line’s slope, given two points:
(-1- -8)/(4-5) = 7/-1 = -7
-7 is the slope
Answer:
(0,2)
Step-by-step explanation:
The y intercept is where the graph crosses the y axis ( where x=0)
The graph crosses the y axis at y=2
(0,2)
Answer:
find where -3.5 and -1.5 would be on a number line from -5 to 5
Step-by-step explanation:
-5 -4 -3 -2 -1 0 1 2 3 4 5
-3.5 -1.5
-3.5 would be in between -4 and -3
-1.5 would be in between -2 and -1
Answer:
D. Graph D
Step-by-step explanation:D. Graph D
Step-by-step explanation:
We know that, 'Direct Variation or Directly Proportional' is relationship between two variables where one is a constant multiple of the other.
That is, if one variable changes, the other variable also changes in proportion to the first variable.
The general form of 'Direct Variation' is y = kx, where k is a constant i.e. it does not have a y-intercept.
Now, according to our options, we see that the figures of A,B,C are the graphs of the straight lines given by y =-2x+2 , y=2x+2, y=-2x+2 respectively.
Each of these three equations have y-intercept, therefore cannot be the equations of a direct proportion.
Now, in option D, the figure is the graph of straight line y = -x and has no y-intercept.
Hence, the linear function in Graph D shows a direct proportion.